天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

ChemicalBook--->CAS DataBase List--->1629-58-9

1629-58-9

1629-58-9 Structure

1629-58-9 Structure
IdentificationMore
[Name]

Ethyl vinyl ketone
[CAS]

1629-58-9
[Synonyms]

1-PENTEN-3-ONE
ETHYL VINYL KETONE
EVK
FEMA 3382
PENT-1-EN-3-ONE
VINYL ETHYL KETONE
1-Penten-3-on
1-penten-3-one (ethyl vinyl ketone)
1-pentene-3-one
C2H5COCH=CH2
Ethyl-vinylketon
Ketone, ethyl vinyl
ketone,ethylvinyl
-penten-3-one
1-PENTEN-3-ONE, STAB.
LINOLEIC ACID 99+%
Ethyl vinyl ketone, stabilized, 98%
pentenone,1-penten-3-one
TRANS-1-PENTEN-3-ONE
ETHYL VINYL KETONE , STABILIZED WITH CA. 0.1% 2,6-DI-TERT-BUTYL-4-METHYLPHENOL
[EINECS(EC#)]

216-624-3
[Molecular Formula]

C5H8O
[MDL Number]

MFCD00009316
[Molecular Weight]

84.12
[MOL File]

1629-58-9.mol
Chemical PropertiesBack Directory
[Appearance]

clear colorless to amber liquid
[Melting point ]

59-61 °C
[Boiling point ]

38 °C/60 mmHg (lit.)
[density ]

0.851 g/mL at 20 °C
[FEMA ]

3382
[refractive index ]

n20/D 1.419(lit.)
[Fp ]

20 °F
[storage temp. ]

2-8°C
[solubility ]

Chloroform (Sparingly), Methanol (Slightly)
[form ]

Liquid
[color ]

Clear colorless to amber
[Odor]

at 1.00 % in propylene glycol. pungent peppery mustard garlic onion
[Odor Type]

spicy
[Water Solubility ]

Insoluble in water; soluble in most organic solvents.
[JECFA Number]

1147
[BRN ]

1735857
[Exposure limits]

ACGIH: TWA 2 mg/m3
NIOSH: TWA 10 mg/m3
[LogP]

0.65
[CAS DataBase Reference]

1629-58-9(CAS DataBase Reference)
[NIST Chemistry Reference]

1-Penten-3-one(1629-58-9)
[EPA Substance Registry System]

1629-58-9(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

F,T
[Risk Statements ]

R11:Highly Flammable.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 3286 3/PG 2
[WGK Germany ]

3
[RTECS ]

SB3800000
[F ]

10-23
[TSCA ]

Yes
[HazardClass ]

3
[PackingGroup ]

II
[HS Code ]

29141900
[Safety Profile]

Poison by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes. See also KETONES
[Toxicity]

LD50 ivn-mus: 56 mg/kg CSLNX* NX#00948
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Carbon disulfide-->Propionyl chloride-->cyclopropanol, 1-ethenyl--->2-Ethyl-2-vinyl-1,3-dioxolane-->2α-Methylcyclobutanone-->1-Penten-3-ol-->1-CHLORO-3-PENTANONE
[Preparation Products]

1-(PARA-TOLYL)-1-PENTEN-3-ONE-->1-(4-Methoxyphenyl)-1-penten-3-one-->Formaldehyde-->1-methyl-5,6,7,8-tetrahydronaphthalen-2-ol(SALTDATA: FREE)-->ethyl 3-hydroxy-3-methyl-1-tosylpyrrolidine-2-carboxylate
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

1-penten-3-one(1629-58-9).msds
Hazard InformationBack Directory
[Chemical Properties]

1-Penten-3-one has a powerful, penetrating odor. This compound is also reported as having a pungent, mustard odor. It polymerizes readily with heat or in the presence of alkali.
[Chemical Properties]

clear colorless to amber liquid
[Occurrence]

Reported found in banana, orange peel oil, grapefruit juice and peel, peach, lean fish, fish oil, chicken fat, black tea, soybean, defatted soybean, lovage leaf, endive, chive, oysters, clam, boiled and cooked beef, kiwifruit, guava, grapes, tomato, butter and maté.
[Uses]

Ethyl vinyl ketone is used as reagent for annulation.
[Definition]

ChEBI: 1-penten-3-one is an enone that is pent-1-ene substituted by an oxo group at position 3. It has a role as a human metabolite, a flavouring agent, a plant metabolite and a genotoxin.
[Preparation]

By reacting ethylene with a mixture of propionyl chloride, aluminum trichloride and carbon disulfide.
[Aroma threshold values]

Detection: 1 to 13 ppb
[Taste threshold values]

Taste characteristics at 5.0 ppm: pungent, ethereal, peppery, garlic, onion, fishy and mustard with a hot nuance.
[General Description]

Ethyl vinyl ketone is a volatile flavor compound mainly found in tomatoes. It may be responsible for the raw bean odor and flavor in soybeans.
Spectrum DetailBack Directory
[Spectrum Detail]

Ethyl vinyl ketone(1629-58-9)MS
Ethyl vinyl ketone(1629-58-9)1HNMR
Ethyl vinyl ketone(1629-58-9)13CNMR
Ethyl vinyl ketone(1629-58-9)IR1
Ethyl vinyl ketone(1629-58-9)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Ethyl vinyl ketone, stabilized, 98%(1629-58-9)
[Alfa Aesar]

Ethyl vinyl ketone, 97%, stab. with ca 0.1% BHT(1629-58-9)
[Sigma Aldrich]

1629-58-9(sigmaaldrich)
1629-58-9 suppliers list
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Website: https://www.dakenchem.com/
Company Name: Xiamen AmoyChem Co., Ltd
Tel: +86-86-5926051114 +8618959220845 , +8618959220845
Website: www.amoychem.com/
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
Website: www.approvedhomemanagement.com/ShowSupplierProductsList1549548/0.htm
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427 , +8618523575427
Website: http://www.conier.com/
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com
Company Name: Richest Group Ltd
Tel: 18017061086
Website: www.approvedhomemanagement.com/ShowSupplierProductsList664261/0.htm
Company Name: Hubei Ipure Biology Co., Ltd
Tel: +8613367258412 , +8613367258412
Website: www.ipurechemical.com
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
Tel: +86-0551-65418671 +8618949823763 , +8618949823763
Website: www.tnjchem.com
Company Name: HONG KONG IPURE BIOLOGY CO.,LIMITED
Tel: 86 18062405514 18062405514 , 18062405514
Website: www.approvedhomemanagement.com/ShowSupplierProductsList1523002/0_EN.htm
Company Name: Handan Tongyi New Material Technology Co., Ltd
Tel: +8617330042575 , +8617330042575
Website: http://www.approvedhomemanagement.com/manufacturer/handan-tongyi-new-material-technology-374/
Company Name: ANHUI WITOP BIOTECH CO., LTD
Tel: +8615255079626 , +8615255079626
Website: www.approvedhomemanagement.com/showsupplierproductslist418627/0_en.htm
Company Name: CD Chemical Group Limited
Tel: +8615986615575 , +8615986615575
Website: http://www.codchem.com/
Company Name: Hebei baicao biology science and technology co., ltd
Tel: +86-19131911055 +8617824879454 , +8617824879454
Website: www.approvedhomemanagement.com/ShowSupplierProductsList1099453/0.htm
Company Name: Shaanxi Didu New Materials Co. Ltd
Tel: +86-89586680 +86-13289823923 , +86-13289823923
Website: https://www.dideu.com/en/
Company Name: LEAP CHEM CO., LTD.
Tel: +86-852-30606658
Website: www.leapchem.com
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8617732866630 , +8617732866630
Website: www.weibangbio.com
Company Name: SUZHOU SENFEIDA CHEMICAL CO.,LTD
Tel: +86-0512-83500002 +8615195660023 , +8615195660023
Website:
Company Name: Changzhou AniKare Pharmatech Co., Ltd.
Tel: +86-0519-8359-8696 +8618018249389 , +8618018249389
Website: http://www.anikare.cn/index_en.html
Tags:1629-58-9 Related Product Information
80-71-7 1196-01-6 488-10-8 5323-87-5 1193-18-6 6485-40-1 930-30-3 2758-18-1 930-68-7 78-59-1 479-33-4 872-36-6 565-62-8 80715-22-6 21835-01-8 60-33-3 80841-78-7 37830-90-3