Isobutylmercaptan

Product Name: Isobutylmercaptan
CAS No.: 513-44-0
Chemical Name: Isobutylmercaptan
Synonyms: ISOBUTYL MERCAPTAN;2-METHYL-1-PROPANETHIOL;isobutylthiol;2-methylpropane-1-thiol;FEMA 3874;iso-C4H9SH;Isobutanethiol;iso-Butanethiol;1-Isobutanethiol;Isobutyl mecaptan
CBNumber: CB5358715
Molecular Formula: C4H10S
Formula Weight: 90.19
MOL File: 513-44-0.mol

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Isobutylmercaptan Property

Melting point:: -145°C
Boiling point:: 87-89 °C(lit.)
Density: 0.831 g/mL at 25 °C(lit.)
vapor density: 3.1 (vs air)
vapor pressure: 124 mm Hg ( 37.8 °C)
refractive index: n20/D 1.4385(lit.)
FEMA: 3874 | 2-METHYL-1-PROPANETHIOL
Flash point:: 15 °F
solubility: H2O: slightly soluble
form: liquid
pka: 10.41±0.10(Predicted)
color: Colorless to Light yellow
Odor: at 0.10 % in propylene glycol. cooked vegetable mustard
Odor Type: sulfurous
biological source: synthetic
Odor Threshold: 0.0000068ppm
Water Solubility: H2O: slightly soluble
alcohol: very soluble
diethyl ether: very soluble
JECFA Number: 512
Merck: 14,5147
BRN: 1730890
LogP: 2.18
CAS DataBase Reference: 513-44-0(CAS DataBase Reference)
NIST Chemistry Reference: 1-Propanethiol, 2-methyl-(513-44-0)
EPA Substance Registry System: 1-Propanethiol, 2-methyl- (513-44-0)

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Safety

Hazard Codes: F,Xi
Risk Statements: 11-36/37/38
Safety Statements: 16-26-36
RIDADR: UN 2347 3/PG 2
WGK Germany: 3
RTECS: TZ7630000
F: 13
HazardClass: 3.1
PackingGroup: II
HS Code: 29309090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: W387401
Product name: 2-Methyl-1-propanethiol
Purity: ≥95%, FG
Packaging: sample-k
Price: $54.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: W387401
Product name: 2-Methyl-1-propanethiol
Purity: ≥95%, FG
Packaging: 1kg
Price: $310
Updated: 2024/03/01

Sigma-Aldrich

Product number: W387401
Product name: 2-Methyl-1-propanethiol
Purity: ≥95%, FG
Packaging: 4kg
Price: $1040
Updated: 2024/03/01

Sigma-Aldrich

Product number: W387401
Product name: 2-Methyl-1-propanethiol
Purity: ≥95%, FG
Packaging: 8kg
Price: $1950
Updated: 2024/03/01

Sigma-Aldrich

Product number: 112917
Product name: 2-Methyl-1-propanethiol
Purity: 92%, technical grade
Packaging: 100ml
Price: $197
Updated: 2024/03/01

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Isobutylmercaptan Chemical Properties,Usage,Production

Chemical Properties

2-Methyl-1-propanethiol has a cooked vegetable, almost mustard-like, odor

Chemical Properties

Liquid; unpleasant odor.

Occurrence

Reported found in guava, milk, cooked beef, cooked pork and beer.

Uses

Flammable, dangerous fire risk.

General Description

2-methyl-1-propanethiol attaches with L-Cys (the carrier) via a disulfide bond to form the brain-targeted drug delivery systems (BTDS).

Purification Methods

Dissolve the thiol in EtOH, and add to 0.25M Pb(OAc)2 in 50% aqueous EtOH. The precipitated lead mercaptide is filtered off, washed with a little EtOH, and impurities are removed from the molten salt by steam distillation. After cooling, dilute HCl is added dropwise to the residue, and the mercaptan is distilled directly from the flask. Water is separated from the distillate, and the mercaptan is dried (Na2CO3) and distilled under nitrogen. [Mathias J Am Chem Soc 72 1897 1950, Beilstein 1 H 378, 1 I 191, 1 II 412, 1 III 1565, 1 IV 1605.]

Isobutylmercaptan Preparation Products And Raw materials

Raw materials

1-Bromo-2-methylpropane Desiccant Thiourea

Preparation Products

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Isobutylmercaptan Suppliers

Americas 1 China 131 Europe 1 Germany 3 India 2 Japan 2 Norway 1 Sweden 1 Switzerland 1 Ukraine 1 United Kingdom 4 United States 28 Global 176

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View Lastest Price from Isobutylmercaptan manufacturers

Hebei Chuanghai Biotechnology Co,.LTD

Product: Isobutylmercaptan 513-44-0
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-21

Zhuozhou Wenxi import and Export Co., Ltd

Product: Isobutylmercaptan 513-44-0
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-07-10

Zhuozhou Wenxi import and Export Co., Ltd

Product: Isobutylmercaptan 513-44-0
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-07-08

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