Mercaptoacetic acid manufacturers and suppliers

Mercaptoacetic acid suppliers

Properties

Melting point:: −16 °C(lit.)

Boiling point:: 96 °C5 mm Hg(lit.)

Density: 1.326 g/mL at 20 °C(lit.)

vapor density: 3.2 (vs air)

vapor pressure: 0.4 mm Hg ( 25 °C)

refractive index: n20/D 1.505(lit.)

Flash point:: 126 °C

storage temp.: Store at +2°C to +8°C.

solubility: Chloroform (Sparingly), Methanol (Sparingly)

form: Liquid

pka: 3.68(at 25℃)

color: clear clear, colorless

PH: 1 (H2O, 20℃)

Odor: strong unpleasant odor

Water Solubility: soluble

Sensitive: Air Sensitive

Merck: 14,9336

BRN: 506166

Exposure limits: TLV-TWA 1 ppm (～3.8 mg/m³) (ACGIH).

Stability:: Air Sensitive

InChIKey: CWERGRDVMFNCDR-UHFFFAOYSA-N

LogP: 0.090

Safety Information

Symbol(GHS): GHS05,GHS06

Signal word: Danger

Hazard statements: H301+H311+H331-H314-H317

Precautionary statements: P261-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338

Hazard Codes: T,T+

Risk Statements: 23/24/25-34-26-24/25

Safety Statements: 25-27-28-45-36/37-28C-23

RIDADR: UN 1940 8/PG 2

WGK Germany: 1

RTECS: AI5950000

F: 9-13-23

Autoignition Temperature: 662 °F

TSCA: Yes

HazardClass: 8

PackingGroup: II

HS Code: 29309070

Toxicity: LD50 orally in rats: 0.15 ml/kg (Deichmann, Mergard)

Use

Mercaptoacetic acid is a highly toxic and ablistering compound. Even a 10% solutionwas lethal to most experimental animals by dermal absorption. The oral LD50 value ofundiluted acid is less than 50 mg/kg (Patty1963). The lethal dose in rabbits by skinabsorption is 300 mg/kg. The acute toxicsymptoms in test animals include weakness,respiratory distress, convulsions, irritation ofthe gastrointestinal tract, and liver damage.Mercaptoacetic acid is a severe irritant.Contact with eyes can cause conjunctivalinflammation and corneal opacity. Skin contact can result in burns and necrosis.

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