1-Thioglycerol

1-硫代甘油

Also known as: 3-Mercapto-1,2-propanediol, 3-Mercaptopropane-1,2-diol, Monothioglycerol, Thioglycerol, 1-Thio-DL-glycerol, 1-Mercaptoglycerol, 1-Monothioglycerol, 1,2-Dihydroxy-3-mercaptopropane, α-Monothioglycerol, α-Thioglycerol, α-Thioglycerin, 3-Sulfanyl-1,2-propanediol, 3-sulfanylpropane-1,2-diol, Glycerol, 1-thio-, 1,2-Propanediol, 3-mercapto-

1-Thioglycerol (CAS 96-27-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H8O2S and a molecular weight of 108.159 g/mol. It is also known as 3-Mercapto-1,2-propanediol, 3-Mercaptopropane-1,2-diol and Monothioglycerol. Key properties include a boiling point of 247.0±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 126.3±24.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H311 — Toxic in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96-27-5
Jingsj CID
J-35840-0
Molecular Formula
C3H8O2S
Chinese Name
1-硫代甘油
Molecular Weight
108.159 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point247.0±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point126.3±24.6 °C
Exact Mass108.024498
PSA79.26000
LogP-0.92
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.526
Additional Propertyslightly soluble

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H302 — Harmful if swallowed
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Thioglycerol?

The CAS number of 1-Thioglycerol is 96-27-5.

What are the molecular formula and molecular weight of 1-Thioglycerol?

1-Thioglycerol has molecular formula C3H8O2S and molecular weight 108.159 g/mol.

Is 1-Thioglycerol hazardous?

1-Thioglycerol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H311 — Toxic in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 1-Thioglycerol?

For 1-Thioglycerol, Upstream Products: Glycidol, 3-Chloro-1,2-propanediol, Thioacetic acid; Downstream Products: propylene glycol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Thioglycerol (CAS 96-27-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35840-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.