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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
Odor Threshold
0.0000068ppm
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
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

Preparation Products

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Isobutylmercaptan Suppliers

Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2210
Advantage
55
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Beijing Ouhe Technology Co., Ltd
Tel
010-82967028 13552068683
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12426
Advantage
60
Pure Chemistry Scientific Inc.
Tel
001-857-928-2050 or 1-888-588-9418
Fax
001-617-206-9595
Email
sales@chemreagents.com
Country
United States
ProdList
10194
Advantage
62
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18736
Advantage
57
Shijiazhuang Lida Chemical Co., Ltd.
Tel
+86 (311) 8573-7996
Fax
+86 (311) 8573-9175
Email
service@lid-ff.cn
Country
China
ProdList
294
Advantage
65
Syntechem Co.,Ltd
Tel
Fax
E-Mail Inquiry
Email
info@syntechem.com
Country
China
ProdList
12990
Advantage
57
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View Lastest Price from Isobutylmercaptan manufacturers

Hebei Duling International Trade Co. LTD
Product
Isobutylmercaptan 513-44-0
Price
US $1.00/L
Min. Order
1L
Purity
99%
Supply Ability
300MT/month
Release date
2022-11-22
Hebei Guanlang 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
2023-08-16
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

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