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ChemicalBook >> CAS DataBase List >> 1,1,1,3,5,5,5-Heptamethyltrisiloxane

1,1,1,3,5,5,5-Heptamethyltrisiloxane

1,1,1,3,5,5,5-Heptamethyltrisiloxane price.
  • $5 - $2353.89
  • Product name: 1,1,1,3,5,5,5-Heptamethyltrisiloxane
  • CAS: 1873-88-7
  • MF: C7H22O2Si3
  • MW: 222.5
  • EINECS:217-496-1
  • MDL Number:MFCD00048000
  • Synonyms:1,1,1,3,5,5,5-heptamethyl-trisiloxan ;3H-Heptamethyltrisiloxane;heptamethyltrisiloxane ;1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE;BIS(TRIMETHYLSILOXY)METHYLSILANE;DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT;1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE, 97 %;40M25)
24 prices
Selected condition：
Brand
  • AHH
  • AK Scientific
  • Alfa Aesar
  • Ambeed
  • American Custom Chemicals Corporation
  • Chem-Impex
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • TRC
Package
  • 150mg
  • 1G
  • 5g
  • 10g
  • 25g
  • 25mL
  • 50g
  • 50ml
  • 100g
  • 250ml
  • 500g
  • ManufacturerAHH
  • Product numberMT-14476
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane 95%
  • Packaging500g
  • Price$355
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number9777AA
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane
  • Packaging5g
  • Price$64
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number9777AA
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane
  • Packaging50g
  • Price$97
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberH60586
  • Product descriptionBis(trimethylsiloxy)methylsilane, 97%
  • Packaging50ml
  • Price$117
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberH60586
  • Product descriptionBis(trimethylsiloxy)methylsilane, 97%
  • Packaging250ml
  • Price$328.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAmbeed
  • Product numberA913309
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane 98%
  • Packaging5g
  • Price$5
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA913309
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane 98%
  • Packaging10g
  • Price$7
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA913309
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane 98%
  • Packaging25g
  • Price$9
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0025635
  • Product description1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE 95.00%
  • Packaging10G
  • Price$1068.38
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0025635
  • Product description1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE 95.00%
  • Packaging50G
  • Price$2353.89
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number27728
  • Product description1,1,1,3,5,5,5-heptamethyltrisiloxane,99%(GC) 99%(GC)
  • Packaging1G
  • Price$25.54
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number27728
  • Product description1,1,1,3,5,5,5-heptamethyltrisiloxane,≥99%(GC) ≥99%(GC)
  • Packaging5G
  • Price$90.39
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number27728
  • Product description1,1,1,3,5,5,5-heptamethyltrisiloxane,≥99%(GC) ≥99%(GC)
  • Packaging25G
  • Price$362.25
  • Updated2021-12-16
  • Buy
  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK551453
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane
  • Packaging25g
  • Price$84
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number097472
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane 95+%
  • Packaging10g
  • Price$57
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number097472
  • Product description1,1,1,3,5,5,5-Heptamethyltrisiloxane 95+%
  • Packaging100g
  • Price$303
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-14476 1,1,1,3,5,5,5-Heptamethyltrisiloxane 95% 500g $355 2021-12-16 Buy
AK Scientific 9777AA 1,1,1,3,5,5,5-Heptamethyltrisiloxane 5g $64 2021-12-16 Buy
AK Scientific 9777AA 1,1,1,3,5,5,5-Heptamethyltrisiloxane 50g $97 2021-12-16 Buy
Alfa Aesar H60586 Bis(trimethylsiloxy)methylsilane, 97% 50ml $117 2024-03-01 Buy
Alfa Aesar H60586 Bis(trimethylsiloxy)methylsilane, 97% 250ml $328.65 2024-03-01 Buy
Ambeed A913309 1,1,1,3,5,5,5-Heptamethyltrisiloxane 98% 5g $5 2021-12-16 Buy
Ambeed A913309 1,1,1,3,5,5,5-Heptamethyltrisiloxane 98% 10g $7 2021-12-16 Buy
Ambeed A913309 1,1,1,3,5,5,5-Heptamethyltrisiloxane 98% 25g $9 2021-12-16 Buy
American Custom Chemicals Corporation ING0025635 1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE 95.00% 10G $1068.38 2021-12-16 Buy
American Custom Chemicals Corporation ING0025635 1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE 95.00% 50G $2353.89 2021-12-16 Buy
Chem-Impex 27728 1,1,1,3,5,5,5-heptamethyltrisiloxane,99%(GC) 99%(GC) 1G $25.54 2021-12-16 Buy
Chem-Impex 27728 1,1,1,3,5,5,5-heptamethyltrisiloxane,≥99%(GC) ≥99%(GC) 5G $90.39 2021-12-16 Buy
Chem-Impex 27728 1,1,1,3,5,5,5-heptamethyltrisiloxane,≥99%(GC) ≥99%(GC) 25G $362.25 2021-12-16 Buy
Frontier Specialty Chemicals JK551453 1,1,1,3,5,5,5-Heptamethyltrisiloxane 25g $84 2021-12-16 Buy
Matrix Scientific 097472 1,1,1,3,5,5,5-Heptamethyltrisiloxane 95+% 10g $57 2021-12-16 Buy
Matrix Scientific 097472 1,1,1,3,5,5,5-Heptamethyltrisiloxane 95+% 100g $303 2021-12-16 Buy

Properties

Melting point :<0°C
Boiling point :142 °C (lit.)
Density :0.819 g/mL at 25 °C (lit.)
vapor pressure :8.5hPa at 25℃
refractive index :n20/D 1.382(lit.)
Flash point :82 °F
storage temp. :15-25°C
solubility :Chloroform (Soluble), Methanol (Slightly)
form :clear liquid
color :Colorless to Almost colorless
Specific Gravity :0.8136
Water Solubility :Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
Hydrolytic Sensitivity :3: reacts with aqueous base
BRN :1748455
Stability :Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKey :QNWOFLWXQGHSRH-UHFFFAOYSA-N
LogP :6.2 at 20℃
CAS DataBase Reference :1873-88-7(CAS DataBase Reference)
NIST Chemistry Reference :Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-,(1873-88-7)
EPA Substance Registry System :Trisiloxane, 1,1,1,3,5,5,5-heptamethyl- (1873-88-7)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Bis (trimethylsiloxy) methylsilane acts as an important raw material and intermediate used in organic synthesis, pharmaceutical and dyestuff. For example, it can be used for the platinum-catalyzed aromatic C-H silylation of arenes. It can also be used for the silylation of aryl iodides.