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8.08625 EMD Millipore

2,2'-Thiodiacetic acid

2,2'-Thiodiacetic acid for synthesis. CAS 123-93-3, chemical formula S(CH₂COOH)₂., for synthesis

Synonym: Thiodiglycollic acid, Bis(carboxymethyl)sulfide

  • CAS Number 123-93-3

  • Linear Formula C₄H₆O₄S

  • Molecular Weight 150.14 g/mol

  •  EC Number 204-663-9

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Properties

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packaging   250 g in Plastic bottle (8086250250)
solubility   400 g/l
autoignition temp.   350 °C
mp   128 - 131 °C
pH   2.2 (10 g/l, H₂O, 20 °C)
LD 50 oral   LD50 Rat > 2000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 99.0 %
  Melting range (lower value): ≥ 128 °C
  Melting range (upper value): ≤ 131 °C
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
Precautionary Statement(s) 
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.
Storage class 
8A Combustible, corrosive hazardous materials
WGK 
WGK 2 water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Irritant  Irritant
Declaration (railroad and road) ADR, RID 
UN 3261 , 8, II
Declaration (transport by air) IATA-DGR 
UN 3261 , 8, II
Declaration (transport by sea) IMDG-Code 
UN 3261 , 8, II, Segregation Group: 1 (Acids)
Categories of danger 
irritant
R Phrase 
R 36/37/38
Irritating to eyes, respiratory system and skin.
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