A6665312
2-Propanethiol , 96% , 75-33-2
Synonym(s):
1-Methylethanethiol;2-Propanethiol;Isopropyl mercaptan
CAS NO.:75-33-2
Empirical Formula: C3H8S
Molecular Weight: 76.16
MDL number: MFCD00004863
EINECS: 200-861-4
Update time: 2022-07-08
PRODUCT Properties
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 | n |
FEMA | 3897 | 2-PROPANETHIOL |
Flash point: | <−30 °F |
storage temp. | Store below +30°C. |
pka | pK1:10.86 (25°C,μ=0.1) |
form | Liquid |
color | Colorless |
Odor | Powerful skunk. |
Odor Threshold | 0.000006ppm |
Odor Type | alliaceous |
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) |
Description and 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.
Safety
Symbol(GHS) | GHS02,GHS07,GHS09 |
Signal word | Danger |
Hazard statements | H225-H317-H410 |
Precautionary statements | P210-P233-P240-P273-P280-P303+P361+P353 |
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 |