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Key Documents

8.22331

Sigma-Aldrich

4-Hydroxy-1,3-phenylenediammonium dichloride

for synthesis

Synonym(s):

4-Hydroxy-1,3-phenylenediammonium dichloride, Amidol, 2,4-Diaminophenol dihydrochloride, Phenol-2,4-diammonium dichloride, 1-Hydroxybenzene-2,4-diammonium dichloride

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About This Item

Linear Formula:
4-(OH)C6H3-1,3-(NH2)2 · 2 HCl
CAS Number:
137-09-7
Molecular Weight:
197.06
MDL number:
MFCD00012979
UNSPSC Code:
12352107
EC Index Number:
205-279-4
NACRES:
NA.22

Quality Level

200

form

solid

potency

240 mg/kg LD50, oral (Rat)

pH

1-2 (20 °C, 50 g/L in H2O)

mp

205 °C

solubility

275 g/L

bulk density

310 kg/m3

storage temp.

2-30°C

InChI

1S/C6H8N2O.2ClH/c7-4-1-2-6(9)5(8)3-4;;/h1-3,9H,7-8H2;2*1H

InChI key

KQEIJFWAXDQUPR-UHFFFAOYSA-N

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301 - H315 - H319 - H335

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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