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| CAS No.: | 1639-09-4 |
|---|---|
| Name: | 1-Heptanethiol |
| Molecular Structure: | |
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| Formula: | C7H16 S |
| Molecular Weight: | 132.27 |
| Synonyms: | 1-Heptylthiol;1-Mercaptoheptane; Heptyl mercaptan; Heptylthiol; NSC 71119; n-Heptanethiol;n-Heptyl mercaptan; n-Heptylthiol |
| EINECS: | 216-678-8 |
| Density: | 0.862 |
| Melting Point: | -43ºC |
| Boiling Point: | 173-176 ºC (765 mmHg) |
| Flash Point: | 115 ºF |
| Solubility: | Solubility in water: very poor |
| Appearance: | COLOURLESS LIQUID , WITH CHARACTERISTIC ODOUR. |
| Hazard Symbols: | R10:; |
| Risk Codes: | R10 |
| Safety: | A poison. Toxic by inhalation. A flammable liquid. When heated to decomposition it emits very toxic fumes of SOx. See also MERCAPTANS. |
| Transport Information: | UN 3336 |
| PSA: | 38.80000 |
| LogP: | 2.88660 |
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Chemistry
IUPAC Name: Heptane-1-thiol
The MF of 1-Heptanethiol (CAS NO.1639-09-4) is C7H16S.
The MW of 1-Heptanethiol (CAS NO.1639-09-4) is 132.27.
Synonyms of 1-Heptanethiol (CAS NO.1639-09-4): Heptyl mercaptan ; Heptylthiol ; Mercaptan C7 ; N-Heptyl mercaptan
Appearance: Colorless liquid with a strong odor
Index of Refraction: 1.448
EINECS: 216-678-8
Density: 0.836 g/ml
Flash Point: 46.1 °C
Boiling Point: 176.5 °C
Melting Point: -43 °C
Sensitive: Air Sensitive
BRN: 1731687
Uses
1-Heptanethiol (CAS NO.1639-09-4) is used for the production of fuel additives, Catalysts; pesticides; perfume; solvents and synthetic rubber.
Toxicity Data With Reference
| 1. | ipr-mus LD50:200 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 . |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
A poison. Toxic by inhalation. A flammable liquid. When heated to decomposition it emits very toxic fumes of SOx. See also MERCAPTANS.Safety information of 1-Heptanethiol (CAS NO.1639-09-4):
Risk Statements
10 Flammable
Safety Statements
23 Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
RIDADR UN 3336 3/PG 3
WGK Germany 3
RTECS MJ1400000
F 9-13-23
HazardClass 6.1
PackingGroup II
Standards and Recommendations
NIOSH REL: (n-Alkane Mono Thiols) CL 0.5 ppm/15M
DOT Classification: 3; Label: Flammable Liquid, Poison (UN 1228); DOT Class: 6.1; Label: Poison, Flammable Liquid (UN 3071)
Specification
It is combustible (flash point at or above 100°F and below140°F). Incompatible with oxidizing agents, strong acids and strong bases, alkali metals, and nitric acid. Can react with water, steam or acids to produce toxic and flammable vapors. Reacts violently with powerful oxidizing agents such as calcium hypochlorite(Ca(OCl)2) to generate SOx. Reacts with hydrides to form flammable H2 gas; reacts with halogenated hydrocarbons to yield HX. Reacts exothermically with aldehydes. Emits toxic compounds of sulfur when when heated to decomposition.