SoleChem

Thioglycerol

Alcohols & Glycols Food & Nutrition
CAS
96-27-5
EC
202-495-0
Mol. Weight
108.16 g/mol

Description

Thioglycerol (CAS 96-27-5), also known as MTG, is a sulfur-containing diol used across pharmaceutical, cosmetic, and specialty chemical manufacturing. It functions primarily as a reducing agent and stabilizer.

This chemical protects sensitive compounds from oxidative degradation during formulation and processing. In pharmaceutical manufacturing, it stabilizes active ingredients prone to oxidation, extending shelf life in injectable and topical formulations.

Personal care formulators incorporate it into hair treatment products, where its thiol group participates in breaking and reforming disulfide bonds to reshape hair structure. It also acts as a humectant in cosmetic preparations.

This helps finished products retain moisture and maintain texture over time. In specialty chemical synthesis, MTG serves as a cross-linking agent and intermediate for producing thioether compounds used in polymer and resin systems.

Thioglycerol is supplied as a clear to pale yellow viscous liquid. Pharmaceutical-grade material is available to meet USP and BP specifications, while technical-grade material serves industrial synthesis applications.

Packaging typically ranges from small laboratory quantities up to bulk drum supply for commercial-scale production. This ensures that manufacturers can source the exact volume required for their specific industrial or laboratory needs.

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Physical Properties

Melting Point <25 °C
Boiling Point 118 °C @ Press: 5 Torr
Density 1.295 g/cm³
Flash Point >230 °F
Appearance clear colorless to yellowish viscous solution
Color Clear colorless to yellow
Odor Stench odour
Form liquid
Water Solubility slightly soluble
Vapor Pressure <1 hPa (20 °C)
Refractive Index n 20/D 1.527(lit.)
pH 3.5-7.0
Log P -0.84 at 20℃

Safety & Handling (Learn More)

Danger GHS06 GHS07
Hazard Statements
H302 Harmful if swallowed
H311 Toxic in contact with skin
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H331 Toxic if inhaled
H335 May cause respiratory irritation
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P316 Get emergency medical help immediately.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P332+P317 Get emergency medical help.
P333+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P361+P364 Take off immediately all contaminated clothing and wash it before reuse.
P362+P364 Take off contaminated clothing and wash it before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29309070
UN Number 2810
ADR Class 6.1
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 3

Documentation

Other Names

1-mercapto-2,3-propanediol|3-mercaptopropane-1,2-diol|alpha-thiolglycerol|3-mercapto-1,2-propanediol|2,3-dihydroxypropanethiol|1-thioglycerol|1-thio-2,3-propanediol|1-monothioglycerol|MTG

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