Home Categories Chemical Reagents Amidol
A0877412

Amidol , >97.0%(N)(T) , 137-09-7

Synonym(s):
‘Amidol’;4-Hydroxy-1,3-phenylenediammonium dichloride;Amidol, 2,4-Diaminophenol dihydrochloride, Phenol-2,4-diammonium dichloride, 1-Hydroxybenzene-2,4-diammonium dichloride

CAS NO.:137-09-7

Empirical Formula: C6H10Cl2N2O

Molecular Weight: 197.06

MDL number: MFCD00012979

EINECS: 205-279-4

Pack Size Price Stock Quantity
25G RMB239.20 In Stock
100g RMB799.20 In Stock
500G RMB2272.80 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 222 °C (dec.)(lit.)
Density  1.3457 (rough estimate)
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.

Description and Uses

A trade name for diamidophenol, a developing agent for silver bromide gelatin emulsions that was introduced by Dr. Anderson in 1892. Amidol made negatives grayish black, with very little fog. It was favored over other alkaline developers because it could facilitate faster exposures.

Safety

Symbol(GHS) 
GHS06
Signal word  Danger
Hazard statements  H301-H315-H319-H335
Precautionary statements  P261-P264-P270-P301+P310-P302+P352-P305+P351+P338
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  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29222900
Toxicity LD50 orally in Rabbit: 240 mg/kg

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