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MERCK

MERCK 100700.0100 Thioglycolic Acid GR for Synthesis (SD.M.100700.0100)

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MERCK 100700.0100 Thioglycolic Acid GR for Synthesis

 

Description
Catalogue Number 100700
Synonyms Mercaptoacetic acid, 2-Mercaptoethanoic acid
Description Thioglycolic acid
Product Information
CAS number 68-11-1
EC index number 607-090-00-6
EC number 200-677-4
Grade Reag. Ph Eur
Hill Formula C₂H₄O₂S
Chemical formula HSCH₂COOH
Molar Mass 92.12 g/mol
HS Code 2930 90 11
Structure formula Image Structure formula Image
Quality Level MQ100
Physicochemical Information
Boiling point 220 °C (1013 hPa) (decomposition)
Density 1.325 g/cm3
Flash point 130 °C
Melting Point -16 °C
pH value 1.5 (10 g/l, H₂O, 20 °C)
Vapor pressure 0.5 hPa (25 °C)
Toxicological Information
LD 50 oral LD50 Rat 73 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled.
H314: Causes severe skin burns and eye damage.
H317: May cause an allergic skin reaction.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) P261: Avoid breathing mist or vapours.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
RTECS AI5950000
Storage class 6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK WGK 3 highly hazardous to water
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
Safety Information
Categories of danger toxic, corrosive
Storage and Shipping Information
Storage Store at +2°C to +8°C.
Transport Information
Declaration (railroad and road) ADR, RID UN 1940 , 8, II
Declaration (transport by air) IATA-DGR UN 1940 , 8, II
Declaration (transport by sea) IMDG-Code UN 1940 , 8, II, Segregation Group: 1 (Acids)
Specifications
Description clear, colourless liquid
Assay (iodometric) ≥ 98.5 %
Solubility (USP) conforms
Solubility in water conforms
Solubility in ethanol conforms
Sensitivity (USP) conforms
Fe (Iron) ≤ 0.00005 %
Organic bound chlorine ≤ 0.01 %
Sulfated ash ≤ 0.05 %
Identity (IR) conforms
The statement of the assay applies to the test date.Agradual substance-specific content reduction,especially at higher temperatures,must be expected. The average content reduction at the required storage temperature of +2°c to +8°C is about 1% per month.
Global Trade Item Number
Catalogue Number GTIN
1007000100 04022536009339
1007001000 04022536009346
Etiketler
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