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Chemical Safety Data Sheet MSDS / SDS

1,2-Dibromo-3-chloropropane

Revision Date:2025-01-06Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

  • Product name: 1,2-Dibromo-3-chloropropane
  • CBnumber: CB1728552
  • CAS: 96-12-8
  • EINECS Number: 202-479-3
  • Synonyms: 1,2-Dibromo-3-chloropropane,DBCP

Relevant identified uses of the substance or mixture and uses advised against

  • Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
  • Uses advised against: none

Company Identification

  • Company: Chemicalbook
  • Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
  • Telephone: 400-158-6606

SECTION 2: Hazards identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

Germ cell mutagenicity, Category 1B

Carcinogenicity, Category 1B

Specific target organ toxicity – repeated exposure, Category 2

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3

Reproductive toxicity, Category 1A

Label elements

Pictogram(s)
  • Signal wordDanger
Hazard statement(s)

H227 Combustible liquid

H301 Toxic if swalloed

H312 Harmful in contact with skin

H320 Causes eye irritation

H330 Fatal if inhaled

H335 May cause respiratory irritation

H340 May cause genetic defects

H351 Suspected of causing cancer

H360 May damage fertility or the unborn child

H372 Causes damage to organs through prolonged or repeated exposure

H412 Harmful to aquatic life with long lasting effects

Precautionary statement(s)

P201 Obtain special instructions before use.

P202 Do not handle until all safety precautions have been read and understood.

P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash hands thoroughly after handling.

P264 Wash skin thouroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P271 Use only outdoors or in a well-ventilated area.

P273 Avoid release to the environment.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P284 Wear respiratory protection.

P308+P313 IF exposed or concerned: Get medical advice/attention.

P405 Store locked up.

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P501 Dispose of contents/container to..…

Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P203 Obtain, read and follow all safety instructions before use.

P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P273 Avoid release to the environment.

Response

P301+P316 IF SWALLOWED: Get emergency medical help immediately.

P321 Specific treatment (see ... on this label).

P330 Rinse mouth.

P318 IF exposed or concerned, get medical advice.

P319 Get medical help if you feel unwell.

Storage

P405 Store locked up.

Disposal

P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards

no data available

SECTION 3: Composition/information on ingredients

Substance

  • Product name: 1,2-Dibromo-3-chloropropane
  • Synonyms: 1,2-Dibromo-3-chloropropane,DBCP
  • CAS: 96-12-8
  • EC number: 202-479-3
  • MF: C3H5Br2Cl
  • MW: 236.33

SECTION 4: First aid measures

Description of first aid measures

If inhaled

Fresh air, rest. Refer for medical attention.

Following skin contact

Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .

Following eye contact

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Following ingestion

Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention .

Most important symptoms and effects, both acute and delayed

Excerpt from ERG Guide 159 [Substances (Irritating)]: Inhalation of vapors or dust is extremely irritating. May cause burning of eyes and flow of tears. May cause coughing, difficult breathing and nausea. Brief exposure effects last only a few minutes. Exposure in an enclosed area may be very harmful. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution. (ERG, 2016)

Indication of any immediate medical attention and special treatment needed

Absorption, Distribution and Excretion

Can be absorbed percutaneously in toxic amt.

SECTION 5: Firefighting measures

Extinguishing media

Excerpt from ERG Guide 159 [Substances (Irritating)]: SMALL FIRE: Dry chemical, CO2, water spray or regular foam. LARGE FIRE: Water spray, fog or regular foam. Move containers from fire area if you can do it without risk. Dike fire-control water for later disposal; do not scatter the material. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2016)

Specific Hazards Arising from the Chemical

Excerpt from ERG Guide 159 [Substances (Irritating)]: Some of these materials may burn, but none ignite readily. Containers may explode when heated. (ERG, 2016)

Advice for firefighters

Use water spray, powder, foam, carbon dioxide.

NFPA 704

4
2
0
HEALTH 4 Very short exposure could cause death or major residual injury (e.g. hydrogen cyanide, phosgene, methyl isocyanate, hydrofluoric acid)
FIRE 2 Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur and multiple finely divided suspended solids that do not require heating before ignition can occur. Flash point between 37.8 and 93.3 °C (100 and 200 °F). (e.g. diesel fuel, sulfur)
REACT 0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
SPEC. HAZ.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

Environmental precautions

Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

Methods and materials for containment and cleaning up

PRECAUTIONS FOR "CARCINOGENS": A high-efficiency particulate arrestor (HEPA) or charcoal filters can be used to minimize amt of carcinogen in exhausted air ventilated safety cabinets, lab hoods, glove boxes or animal rooms ... Filter housing that is designed so that used filters can be transferred into plastic bag without contaminating maintenance staff is avail commercially. Filters should be placed in plastic bags immediately after removal ... The plastic bag should be sealed immediately ... The sealed bag should be labelled properly ... Waste liquids ... should be placed or collected in proper containers for disposal. The lid should be secured & the bottles properly labelled. Once filled, bottles should be placed in plastic bag, so that outer surface ... is not contaminated ... The plastic bag should also be sealed & labelled. ... Broken glassware ... should be decontaminated by solvent extraction, by chemical destruction, or in specially designed incinerators. Chemical Carcinogens

SECTION 7: Handling and storage

Precautions for safe handling

NO open flames. Above 77°C use a closed system and ventilation. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Separated from food and feedstuffs and metals such as aluminium or magnesium.

SECTION 8: Exposure controls/personal protection

Control parameters

Occupational Exposure limit values

MAK: skin absorption (H); carcinogen category: 2.MAK: germ cell mutagen group: 2

Biological limit values

no data available

Exposure controls

Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.

Individual protection measures

Eye/face protection

Wear safety goggles or eye protection in combination with breathing protection.

Skin protection

Protective gloves. Protective clothing.

Respiratory protection

Use local exhaust or breathing protection.

Thermal hazards

no data available

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • Physical stateDense Liquid
  • Colour

    Colorless liquid when pure

  • Odour

    PUNGENT ODOR

  • Melting point/freezing point

    5°C(lit.)

  • Boiling point or initial boiling point and boiling range

    200°C(lit.)

  • Flammability

    Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.

  • Lower and upper explosion limit/flammability limit

    no data available

  • Flash point

    77°C(lit.)

  • Auto-ignition temperature

    no data available

  • Decomposition temperature

    196°C

  • pH

    no data available

  • Kinematic viscosity

    no data available

  • SolubilityMiscible with oils, dichloropropane, and isopropanol (Windholz et al., 1983)
  • Partition coefficient n-octanol/water

    log Kow= 2.96

  • Vapour pressure0.8 at 21 °C (quoted, Verschueren, 1983)
  • Density and/or relative density

    2.05

  • Relative vapour density

    2.09 at 14 deg C

  • Particle characteristics

    no data available

SECTION 10: Stability and reactivity

Reactivity

NIOSH considers 1,2-dibromo-3-chloropropane to be a potential occupational carcinogen.

Decomposes on heating above the boiling point. Decomposes on burning. This produces toxic fumes including hydrogen bromide and hydrogen chloride. Reacts in the presence of water with aluminium, magnesium, tin and their alloys. Attacks some forms of rubber and coatings.

Chemical stability

no data available

Possibility of hazardous reactions

1,2-Dibromo-3-chloropropane (DBCP) itself is classified in the USA as a combustible liq in class IIIA; formulations of DBCP incl kerosene or other flammable solvents fall into the flammable range (class IB for formulations made with kerosene).The vapour is heavier than air and may travel along the ground; distant ignition possible.1,2-DIBROMO-3-CHLOROPROPANE reacts with chemically active metals such as aluminum, magnesium, tin and their alloys. It will attack some rubber materials and coatings. (NTP, 1992)

Conditions to avoid

no data available

Incompatible materials

Chemically-active metals such as aluminum, magnesium & tin alloys [Note: Corrosive to metals].

Hazardous decomposition products

195.5 deg C at 760 mm Hg, with decomp

SECTION 11: Toxicological information

Acute toxicity

  • Oral: LD50 Rabbit (male) oral 100 mg/kg
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

NTP: Reasonably anticipated to be a human carcinogen

Reproductive toxicity

Chronic exposure to DBCP causes male reproductive effects. Decreased sperm counts have been observed in men occupationally exposed to DBCP; birth defects, prematurity, mortality, or spontaneous abortions were not associated with paternal exposure to DBCP. Testicular effects and decreased sperm count were observed in animals chronically exposed to DBCP by inhalation. Birth defects were not observed in rats exposed to DBCP by gavage (experimentally placing the chemical in their stomachs).

STOT-single exposure

The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system and kidneys. This may result in impaired functions. Exposure could cause lowering of consciousness.

STOT-repeated exposure

The substance may have effects on the liver, lungs, kidneys and testes. This may result in impaired functions and tissue lesions. May cause heritable genetic damage to human germ cells. This substance is probably carcinogenic to humans. Causes toxicity to human reproduction or development.

Aspiration hazard

A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.

SECTION 12: Ecological information

Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

Persistence and degradability

A mixed culture of soil microorganisms containing primarily Pseudomonas and Flavobacteria dehalogenated 1,2-dibromo-3-chloropropane to n-propanol(1). The most rapid rate of dehalogenation (20% in 1 week) was obtained with pH 8 soil suspensions; the maximum observed dehalogenation was 63% after 4 weeks under unspecified conditions(2). Biodegradation of 1,2-dibromo-3-chloropropane was measured in soil columns; half-lives of 6.6, 13.0, and 1130 days were obtained for natural, nutrient-enriched, and sterile conditions, respectively(3). Two soil samples, four subsoil materials and groundwater samples, and a sewage sample were incubated in the presence of 0.05 to 500 mg 1,2-dibromo-3-chloropropane/kg soil, soil suspension, or water. No transformation was noted, by formation of inorganic halide or organic products or by the production of CO2, over 60 days(4). Soil samples, maintained under anaerobic conditions, transformed 1,2-dibromo-3-chloropropane, at 10 and 100 mg/kg suspension, with 5.6 and 11.6% conversion, respectively, in 28 days(4). Groundwater and aquifer samples incubated under similar, anaerobic conditions were unable to convert 1,2-dibromo-3-chloropropane over a 4 month period(4). Alkyl reductive dehalogenation was reported as a transformation mechanism for the biodegradation of 1,2-dibromo-3-chloropropane in anaerobic soil(5).

Bioaccumulative potential

A bioconcentration factor for 1,2-dibromo-3-chloropropane of 11 was estimated from a measured water solubility of 1,230 ppm(1).

Mobility in soil

The Kd for the adsorption of 1,2-dibromo-3-chloropropane onto Panoche clay loam is 0.20 cu cm/g for a 1,2-dibromo-3-chloropropane concentration range of 0.5-95 ug/ml(1). A Kd value of 0.286 L/kg was measured in Hanford sandy loam soil columns(2). Values of 40 (Koc value)(3) and 128 (Kom value)(4) were measured for 1,2-dibromo-3-chloropropane in unspecified soils. Koc values of 129 and 149 were measured in a silt loam and in a fine sand soil, respectively(5). Koc values of 305 and 355 were measured for aquifer solids from the Fresno aquifer (pH 7.3-7.7, mass fraction of organic carbon=0.0002); a calculated Rf value from these results indicates that only about 10% of the 1,2-dibromo-3-chloropropane is sorbed to the aquifer material(6). Koc values for 3 soils ranged from 70 to 126 (pH 7.6-8.1, mass fraction of organic carbon=0.0052-0.0544)(6). According to a recommended classification scheme(7), these measured Koc values suggest that 1,2-dibromo-3-chloropropane has moderate to very high mobility in soil(SRC).

Toxics Screening Level

The initial risk screening level (IRSL) for 1,2-dibromo-3-chloropropane (dibromochoropropane; DBCP) is 1x10 -4 μg/m3 , and the secondary risk screening level (SRSL) is 1x10 -3 μg/m3.
The current initial threshold screening level (ITSL) for 1,2-dibromo-3-chloropropane (DBCP) is 0.2 μg/m3 based on a 24-hour averaging time.

Other adverse effects

no data available

SECTION 13: Disposal considerations

Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

SECTION 14: Transport information

UN Number

ADR/RID: UN2872 (For reference only, please check.)

IMDG: UN2872 (For reference only, please check.)

IATA: UN2872 (For reference only, please check.)

UN Proper Shipping Name

ADR/RID: DIBROMOCHLOROPROPANES (For reference only, please check.)

IMDG: DIBROMOCHLOROPROPANES (For reference only, please check.)

IATA: DIBROMOCHLOROPROPANES (For reference only, please check.)

Transport hazard class(es)

ADR/RID: 6.1 (For reference only, please check.)

IMDG: 6.1 (For reference only, please check.)

IATA: 6.1 (For reference only, please check.)

Packing group, if applicable

ADR/RID: II (For reference only, please check.)

IMDG: II (For reference only, please check.)

IATA: II (For reference only, please check.)

Environmental hazards

ADR/RID: No

IMDG: No

IATA: No

Special precautions for user

no data available

Transport in bulk according to IMO instruments

no data available

SECTION 15: Regulatory information

Safety, health and environmental regulations specific for the product in question

European Inventory of Existing Commercial Chemical Substances (EINECS)
Listed.
EC Inventory
Listed.
United States Toxic Substances Control Act (TSCA) Inventory
Listed.
China Catalog of Hazardous chemicals 2015
Not Listed.
New Zealand Inventory of Chemicals (NZIoC)
Not Listed.
PICCS
Listed.
Vietnam National Chemical Inventory
Not Listed.
IECSC
Not Listed.
Korea Existing Chemicals List (KECL)
Listed.

SECTION 16: Other information

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Other Information

Depending on the degree of exposure, periodic medical examination is suggested.An added stabilizer or inhibitor can influence the toxicological properties of this substance; consult an expert.Carrier solvents used in commercial formulations may change physical and toxicological properties.Do NOT take working clothes home.

Disclaimer:

The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.

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