isopentylthiol
3-Methyl-1-butanethiol
CAS: 541-31-1
Molecular Formula: C5H12S
isopentylthiol - Names and Identifiers
| Name | 3-Methyl-1-butanethiol |
| Synonyms | FEMA 3858 isoamylthiol isopentylthiol ISOPENTANETHIOL ISOAMYL MERCAPTAN Isoamyl mercaptan Isopentylmercaptan Isopentyl mercaptan 3-methylbutane-1-thiol mercaptanisopentylique 3-Methyl-1-butanethiol Isopentyl mercaptan~3-Methylbutanethiol Isoamyl mercaptan (3-Methylbutanethiol) |
| CAS | 541-31-1 |
| EINECS | 208-774-3 |
| InChI | InChI=1/C5H12S/c1-5(2)3-4-6/h5-6H,3-4H2,1-2H3 |
isopentylthiol - Physico-chemical Properties
| Molecular Formula | C5H12S |
| Molar Mass | 104.21 |
| Density | 0.835g/mLat 25°C(lit.) |
| Melting Point | -133.51°C |
| Boling Point | 120 °C |
| Flash Point | 65°F |
| JECFA Number | 513 |
| Vapor Presure | 41.4 mm Hg ( 37.7 °C) |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| BRN | 635659 |
| pKa | 10.41±0.10(Predicted) |
| Storage Condition | Flammables area |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.4432(lit.) |
isopentylthiol - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 1228 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 3 |
| Packing Group | II |
isopentylthiol - Reference Information
| FEMA | 3858 | 3-METHYLBUTANETHIOL |
| olfactory threshold (Odor Threshold) | 0.00000077ppm |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): baked goods, non-alcoholic drinks, breakfast cereals, cold drinks, sauces, meat products, dairy products, soft sweets, soups and sweet sauces, all 0.1~5.0; Seasoning spice 0.2~2.0. |
| category | flammable liquid |
| flammability hazard characteristics | flammability in case of open flame, high temperature and oxidant; decomposition of toxic sulfur oxide gas by heating and acid |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants and acids |
| fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
Last Update：2024-04-10 22:41:03
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View History
isopentylthiol
Prosapogenin C2
Acetic acid, 2-(3-ethyl-4-hydroxy-4-methyl-2-pyrrolidinylidene)-, ethyl ester
Pentacyclopentane-6-thiomethanol
Spiro[cyclohexane-1,4'(1'H)-isoquinoline]-1',3'(2'H)-dione, 2'-phenyl-
7-溴苯并噻吩
19-Norcholest-9-ene-3,6-diol,5-methyl-, diacetate, (3b,5b,6b)- (9CI)
Carbamic acid, dimethylthio-,O-[2-(methylthio)-4-pyrimidinyl] ester (8CI)
磺酰磺胺 (2-乙磺酰基咪唑并[1,2-A]吡啶-3-磺酰胺)
N,N-二(三甲硅基)甲胺
Prosapogenin C2
Acetic acid, 2-(3-ethyl-4-hydroxy-4-methyl-2-pyrrolidinylidene)-, ethyl ester
Pentacyclopentane-6-thiomethanol
Spiro[cyclohexane-1,4'(1'H)-isoquinoline]-1',3'(2'H)-dione, 2'-phenyl-
7-溴苯并噻吩
19-Norcholest-9-ene-3,6-diol,5-methyl-, diacetate, (3b,5b,6b)- (9CI)
Carbamic acid, dimethylthio-,O-[2-(methylthio)-4-pyrimidinyl] ester (8CI)
磺酰磺胺 (2-乙磺酰基咪唑并[1,2-A]吡啶-3-磺酰胺)
N,N-二(三甲硅基)甲胺