Name | 1-Heptanethiol |
Synonyms | MERCAPTAN C7 Heptanethiol n-heptylthiol 1-heptanthiol 1-HEPTANETHIOL 1-Heptanethiol heptane-1-thiol HEPTYL MERCAPTAN 1-HEPTYL MERCAPTAN N-HEPTYL MERCAPTAN n-Heptyl mercaptan Normal-heptyl mercaptan |
CAS | 1639-09-4 |
EINECS | 216-678-8 |
InChI | InChI=1/C7H16S/c1-2-3-4-5-6-7-8/h8H,2-7H2,1H3 |
Molecular Formula | C7H16S |
Molar Mass | 132.27 |
Density | 0.844 g/mL at 25 °C (lit.) |
Melting Point | -43°C |
Boling Point | 173-176 °C/765 mmHg (lit.) |
Flash Point | 115°F |
JECFA Number | 1663 |
Solubility | 0.009g/l |
Vapor Presure | 1.47mmHg at 25°C |
Appearance | clear liquid |
Color | Colorless to Almost colorless |
Exposure Limit | NIOSH: Ceiling 0.5 ppm(2.7 mg/m3) |
BRN | 1731687 |
pKa | 10.76±0.25(Predicted) |
Storage Condition | Store below +30°C. |
Sensitive | Air Sensitive |
Explosive Limit | 0.9%(V) |
Refractive Index | n20/D 1.4505(lit.) |
Risk Codes | 10 - Flammable |
Safety Description | S23 - Do not breathe vapour. S16 - Keep away from sources of ignition. |
UN IDs | UN 3336 3/PG 3 |
WGK Germany | 3 |
RTECS | MJ1400000 |
FLUKA BRAND F CODES | 9-13-23 |
TSCA | Yes |
HS Code | 29309070 |
Hazard Class | 6.1 |
Packing Group | II |
FEMA | 4259 | HEPTANE-1-THIOL |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
category | flammable liquid |
toxicity grade | poisoning |
Acute toxicity | intraperitoneal-mouse LD50: 200 mg/kg |
flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Toxic sulfur oxide smoke produced by combustion; In case of acid, toxic sulfide gas from water |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
Occupational Standard | CL AIR 0.5 ppm/15 min |