ChemicalBook > CAS DataBase List > 2-Propanethiol

2-Propanethiol

Product Name
2-Propanethiol
CAS No.
75-33-2
Chemical Name
2-Propanethiol
Synonyms
propane-2-thiol;ISOPROPYL MERCAPTAN;2-PROPYLMERCAPTAN;2-Mercaptopropane;IPM(TM);FEMA 3897;iso-C3H7SH;PROPANTHIOL-2;Isopropylthiol;2-PROPANETHIOL
CBNumber
CB6466705
Molecular Formula
C3H8S
Formula Weight
76.16
MOL File
75-33-2.mol
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2-Propanethiol Property

Melting point:
−131 °C(lit.)
Boiling point:
57-60 °C(lit.)
Density 
0.82 g/mL at 25 °C(lit.)
vapor density 
2.6 (vs air)
vapor pressure 
455 mm Hg ( 37.8 °C)
refractive index 
n20/D 1.426(lit.)
FEMA 
3897 | 2-PROPANETHIOL
Flash point:
<−30 °F
storage temp. 
Store below +30°C.
form 
Liquid
pka
pK1:10.86 (25°C,μ=0.1)
color 
Colorless
Odor
Powerful skunk.
Odor Type
alliaceous
Odor Threshold
0.000006ppm
Water Solubility 
Slightly soluble in water
Sensitive 
Air Sensitive
JECFA Number
510
BRN 
605260
Stability:
Stable. Highly flammable - note low flashpoint. May form explosive mixtures with air.
LogP
1.60
CAS DataBase Reference
75-33-2(CAS DataBase Reference)
NIST Chemistry Reference
2-Propanethiol(75-33-2)
EPA Substance Registry System
Isopropyl mercaptan (75-33-2)
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Safety

Hazard Codes 
F,Xi
Risk Statements 
11-36/37/38-36/38
Safety Statements 
16-26-9-37/39-33
RIDADR 
UN 2402 3/PG 2
WGK Germany 
3
RTECS 
TZ7302000
F 
13
TSCA 
Yes
HS Code 
2930 90 98
HazardClass 
3
PackingGroup 
II
Hazardous Substances Data
75-33-2(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 2000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H317May cause an allergic skin reaction

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

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

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W389755
Product name
2-Propanethiol
Purity
natural (US), ≥98%, FG
Packaging
SAMPLE-K
Price
$186
Updated
2024/03/01
Sigma-Aldrich
Product number
W389755
Product name
2-Propanethiol
Purity
natural (US), ≥98%, FG
Packaging
100G
Price
$425
Updated
2024/03/01
Sigma-Aldrich
Product number
W389755
Product name
2-Propanethiol
Purity
natural (US), ≥98%, FG
Packaging
500G
Price
$1340
Updated
2024/03/01
Sigma-Aldrich
Product number
8.07532
Product name
2-Propanethiol
Purity
for synthesis
Packaging
100mL
Price
$59
Updated
2024/03/01
Sigma-Aldrich
Product number
8.07532
Product name
2-Propanethiol
Purity
for synthesis
Packaging
500mL
Price
$86.1
Updated
2024/03/01
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2-Propanethiol Chemical Properties,Usage,Production

Chemical Properties

liquid with an exceedingly unpleasant smell

Occurrence

2-Propanethiol is a volatile sulfur compound that is reported to occur in irradiated beef.

Uses

2-Propanethiol is used in preparation of polyol block copolymer. It is also used as standard for petroleum analysis; as intermediate; as natural gas odorant.

Definition

ChEBI: 2-Propanethiol is an alkanethiol that is propane substituted by a sulfanyl group at position 2.

Preparation

2-Propanethiol is synthesised by the reaction of sodium hydrosulfide and brominated isopropane.

General Description

Isopropyl mercaptan is a white liquid with a strong skunk-like odor. (USCG, 1999)

Air & Water Reactions

Highly flammable. Soluble in water.

Reactivity Profile

2-Propanethiol is incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. May liberate hydrogen sulfide when mixed with an acid.

Hazard

Highly flammable, dangerous fire hazard.

Health Hazard

Inhalation causes loss of sense of smell, muscular weakness, convulsions, respiratory paralysis. Ingestion causes nausea and vomiting. Contact with eyes or skin causes irritation.

Purification Methods

Purify it as for propane-1-thiol above. [Beilstein 1 IV 1498.]

2-Propanethiol Preparation Products And Raw materials

Raw materials

Preparation Products

ISOPROPYLSULFONYL CHLORIDE
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2-Propanethiol Suppliers

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View Lastest Price from 2-Propanethiol manufacturers

Hebei Mojin Biotechnology Co., Ltd
Product
2-Propanethiol 75-33-2
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-06-29
Hebei Guanlang Biotechnology Co,.LTD
Product
2-Propanethiol 75-33-2
Price
US $2.70/Kg/Drum
Min. Order
10g
Purity
99%
Supply Ability
10000kg
Release date
2021-07-12
Hebei Guanlang Biotechnology Co., Ltd.
Product
2-Propanethiol 75-33-2
Price
US $10.00/KG
Min. Order
100KG
Purity
99%
Supply Ability
100 mt
Release date
2021-07-12

75-33-2, 2-PropanethiolRelated Search:

1,2-Ethanedithiol PYRITHIOXIN Sodium thiomethoxide Isopropyl acetate ISOPROPYL LAURATE METHYL MERCAPTAN Ethanethiol Isopropyl alcohol Benzyl mercaptan PYRITHIOXIN DIHYDROCHLORIDE Allyl mercaptan 1-Dodecanethiol 2-Ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate ISOPROPYLSULFONYL CHLORIDE ISOPROPYLHYDRAZINE HYDROCHLORIDE Isopropylboronic acid Diisopropyl ether 1-PROPANETHIOL GC STANDARD,propanethiol(non-specificname

  • 2-PROPANETHIOL
  • 2-PROPYLMERCAPTAN
  • iso-C3H7SH
  • Isopropylthiol
  • mercaptanisopropylique
  • Propanethiol-(2)
  • FEMA 3897
  • IPM(TM)
  • ISOPROPYL MERCAPTAN
  • Isopropanethiol
  • Propan-2-thiol
  • PROPANTHIOL-2
  • propane-2-thiol
  • 2-PROPANETHIOL 97+%
  • Isopropyl thioalcohol
  • Thioisopropyl alcohol
  • 2-Propanethiol,98%
  • Isopropy mercaptan
  • 2-Propanethiol, 98% 500ML
  • 2-Propanethiol, 98% 50ML
  • 2-PROPANETHIOL FOR SYNTHESIS 45 KG
  • 2-PROPANETHIOL FOR SYNTHESIS 100 ML
  • 2-PROPANETHIOL FOR SYNTHESIS 500 ML
  • 1-Methylethanethiol
  • 2-Mercaptopropane
  • 2-propanemercaptan
  • 2-Propanethiol >=97.0% (GC)
  • 2-Propanethiol&gt
  • 2-Propanethiol,96%
  • 2-Propanethiol USP/EP/BP
  • TIANFU-CHEM - 2-Propanethiol
  • Phloroglucinol Impurity 130
  • 2-Propanethiol, ≥ 96.0%
  • 75-33-2
  • 75-33-6
  • CH32CHSH
  • 75332
  • Building Blocks
  • Organic Building Blocks
  • Sulfur Compounds
  • Thiols/Mercaptans
  • thiol Flavor