112925

1-Butanethiol

99%

• Synonym(s): Butyl mercaptan, Mercaptan C₄
• Linear Formula: CH₃(CH₂)₃SH
• CAS Number: 109-79-5
• Molecular Weight: 90.19
• Beilstein: 1730908
• EC Number: 203-705-3
• MDL number: MFCD00004905
• PubChem Substance ID: 24847120

Properties

• vapor density: 3.1 (vs air)
• Quality Level: 200
• vapor pressure: 83 mmHg ( 37.7 °C)
• assay: 99%
• refractive index: n20/D 1.443 (lit.)
• bp: 98 °C (lit.)
• mp: −116 °C (lit.)
• density: 0.842 g/mL at 25 °C (lit.)
• SMILES string: CCCCS
• InChI: 1S/C4H10S/c1-2-3-4-5/h5H,2-4H2,1H3
• InChI key: WQAQPCDUOCURKW-UHFFFAOYSA-N

Description

Application

1-Butanethiol is used as a model gaseous analyte for fast-responding membrane-free amperometric gas sensor.

Packaging

250 mL in Sure/Seal™

1 L in Sure/Seal™

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225 - H302 + H332 - H315 - H317 - H319 - H335
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 53.6 °F - closed cup
• Flash Point(C): 12 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves