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2,4-Diaminophenol dihydrochloride Structure

2,4-Diaminophenol dihydrochloride

Chemical Properties

Melting point 222 °C (dec.)(lit.)
Density  1.3457 (rough estimate)
bulk density 310kg/m3
refractive index  1.5680 (estimate)
storage temp.  Store below +30°C.
solubility  275g/l
form  Crystalline Powder
color  Beige to gray-green
PH 1-2 (50g/l, H2O, 20℃)
Water Solubility  27.5 g/100 mL (15 ºC)
Merck  14,2983
BRN  3913728
Stability Stable. Incompatible with strong oxidizing agents, acids. Heat and light sensitive.
Cosmetics Ingredients Functions HAIR DYEING
Cosmetic Ingredient Review (CIR) 2,4-Diaminophenol dihydrochloride (137-09-7)
InChI 1S/C6H8N2O.2ClH/c7-4-1-2-6(9)5(8)3-4;;/h1-3,9H,7-8H2;2*1H
InChIKey KQEIJFWAXDQUPR-UHFFFAOYSA-N
SMILES Cl.Cl.Nc1ccc(O)c(N)c1
CAS DataBase Reference 137-09-7(CAS DataBase Reference)
EPA Substance Registry System 2,4-Diaminophenol dihydrochloride (137-09-7)

Safety Information

Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38
Safety Statements  26-36
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  SK7600000
TSCA  TSCA listed
HazardClass  6.1
PackingGroup  III
HS Code  29222900
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Hazardous Substances Data 137-09-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 240 mg/kg

MSDS

Usage And Synthesis

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