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87-56-9

Name Mucochloric acid
CAS 87-56-9
EINECS(EC#) 201-752-4
Molecular Formula C4H2Cl2O3
MDL Number MFCD00006966
Molecular Weight 168.96
MOL File 87-56-9.mol
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Chemical Properties

Appearance WHITE TO LIGHT BEIGE CRYSTALLINE POWDER
Melting point  125-128 °C(lit.)
Boiling point  238.75°C (rough estimate)
density  1.85
refractive index  1.4730 (estimate)
Fp  212 °F
storage temp.  Store below +30°C.
solubility  27g/l
form  Crystalline Powder
pka 0.28±0.44(Predicted)
color  White to light beige
PH 2.4 (27g/l, H2O, 20℃)
Water Solubility  SOLUBLE IN HOT WATER
Merck  14,6297
BRN  1705641
CAS DataBase Reference 87-56-9(CAS DataBase Reference)
NIST Chemistry Reference Mucochloric acid(87-56-9)
EPA Substance Registry System 87-56-9(EPA Substance)

Safety Data

Hazard Codes  T,C
Risk Statements 
R25:Toxic if swallowed.
R34:Causes burns.
R37:Irritating to the respiratory system.
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S22:Do not breathe dust .
RIDADR  UN 2923 8/PG 3
WGK Germany  2
RTECS  AS7700000
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29183000
Safety Profile
Poison by ingestion. Moderate skin and severe eye irritant. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl-.
Hazardous Substances Data 87-56-9(Hazardous Substances Data)
Toxicity
LD50 in rats: 0.5-1.0 g/kg orally; 10-25 mg/kg i.p., Fassett in Industrial Hygiene and Toxicology vol. II, F. A. Patty, Ed. (Interscience, New York, 2nd ed., 1962) p 1977

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