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8.22336 EMD Millipore

Thioglycolic acid

Thioglycolic acid for synthesis. CAS 68-11-1, EC Number 200-677-4, chemical formula HSCH₂COOH., for synthesis

Synonym: Mercaptoacetic acid, 2-Mercaptoethanoic acid

  • CAS Number 68-11-1

  • Linear Formula C₂H₄O₂S

  • Molecular Weight 92.11 g/mol

  •  EC Number 200-677-4

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Synthetic Reagents
packaging   250 ml in Glass bottle (8223360250)
bp   220 °C (1013 hPa) (decomposition)
vapor pressure   0.1 hPa (20 °C)
density   1.325 g/cm3 (20 °C)
flash point   131.5 °C
mp   -16.5 °C
pH   1 (H₂O, 20 °C)
LD 50 oral   LD50 Rat 73 mg/kg
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   Assay (iodometric): ≥ 98.0 %
  Density (d 20 °C/ 4 °C): 1.325 - 1.335
  Identity (IR): passes test
  The assay stated on the certificate of analysis refers to the date of examination. A gradual 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.

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Safety & Documentation

Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
RTECS 
AI5950000
Storage class 
6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 
WGK 1 slightly water endangering
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.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Symbols 
Toxic  Toxic
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)
Categories of danger 
toxic, corrosive
R Phrase 
R 23/24/25-34
Toxic by inhalation, in contact with skin and if swallowed.Causes burns.
S Phrase 
S 25-27-28-45
Avoid contact with eyes.Take off immediately all contaminated clothing.After contact with skin, wash immediately with plenty of soap and water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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