ChemicalBook > CAS DataBase List > 2,4-Diaminophenol dihydrochloride

2,4-Diaminophenol dihydrochloride

Product Name
2,4-Diaminophenol dihydrochloride
CAS No.
137-09-7
Chemical Name
2,4-Diaminophenol dihydrochloride
Synonyms
acrol;AMIDOL;dianol;Diamol;nci-c60026;Amidol >Amidol, ≥ 97.0%;AMidol , 98.0%(T);4-DiaMinophenol 2HCl;2,4-DIAMINOPHENOL HCL
CBNumber
CB9120134
Molecular Formula
C6H10Cl2N2O
Formula Weight
197.06
MOL File
137-09-7.mol
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2,4-Diaminophenol dihydrochloride Property

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.
CAS DataBase Reference
137-09-7(CAS DataBase Reference)
EPA Substance Registry System
2,4-Diaminophenol dihydrochloride (137-09-7)
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Safety

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
Hazardous Substances Data
137-09-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 240 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.22331
Product name
4-Hydroxy-1,3-phenylenediammonium dichloride
Purity
for synthesis
Packaging
100g
Price
$230
Updated
2025/07/31
Sigma-Aldrich
Product number
8.22331
Product name
4-Hydroxy-1,3-phenylenediammonium dichloride
Purity
for synthesis
Packaging
250g
Price
$566
Updated
2025/07/31
Sigma-Aldrich
Product number
230103
Product name
2,4-Diaminophenol dihydrochloride
Purity
98%
Packaging
25g
Price
$155
Updated
2023/06/20
Sigma-Aldrich
Product number
230103
Product name
2,4-Diaminophenol dihydrochloride
Purity
98%
Packaging
100g
Price
$305
Updated
2022/05/15
TCI Chemical
Product number
D0080
Product name
Amidol
Purity
>97.0%(N)(T)
Packaging
25g
Price
$37
Updated
2025/07/31
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2,4-Diaminophenol dihydrochloride Chemical Properties,Usage,Production

Chemical Properties

Grey white powder

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.

Uses

2,4-Diaminophenol dihydrochloride (Amidol) is used in the dye manufacturing industries and as a color accelerator in photographic developers. It is also employed as a pharmaceutical intermediate.

Uses

2,4-Diaminophenol dihydrochloride (Amidol) was used in the dye manufacturing industries and as a color accelerator in photographic developers.

General Description

Grayish-white crystals.

Air & Water Reactions

Water soluble.

Reactivity Profile

Sensitive to heat and light. Incompatible with acids.

Fire Hazard

Flash point data for 2,4-Diaminophenol dihydrochloride are not available. 2,4-Diaminophenol dihydrochloride is probably combustible.

2,4-Diaminophenol dihydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2,4-Diaminophenol dihydrochloride manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
2,4-Diaminophenol dihydrochloride 137-09-7
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000KG
Release date
2024-07-11
Career Henan Chemical Co
Product
2,4-Diaminophenol dihydrochloride 137-09-7
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
JD 801
Release date
2019-09-02

137-09-7, 2,4-Diaminophenol dihydrochlorideRelated Search:

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  • 1-HYDROXYBENZENE-2,4-DIAMMONIUM DICHLORIDE
  • 2,4-DIAMINOPHENOL 2HCL
  • 2,4-DIAMINOPHENOL DIHYDROCHLORIDE
  • 2,4-DIAMINOPHENOL HYDROCHLORIDE
  • nci-c60026
  • Phenol,2,4-diamino-,dihydrochloride
  • phenol,2,4-diamino-dihydrochloride
  • 4-HYDROXY-M-PHENYLENEDIAMINE DIHYDROCHLORIDE
  • 4-HYDROXY-1,3-PHENYLENEDIAMMONIUM DICHLORIDE
  • AMIDOL
  • PHENOL-2,4-DIAMMONIUM DICHLORIDE
  • 2,4-diamino-phenodihydrochloride
  • 2,4-Diaminophenoldihydrochlor
  • 4-Diaminophenol dihydrochloride
  • Amidol 〔2,4-Diaminophenol Dihydrochloride〕
  • 4-Hydroxy-1,3-phenylenediammonium dichloride for synthesis
  • acrol
  • dianol
  • 2 4-DIAMINOPHENOL DIHYDRATE 98%
  • 2,4-DiaminophenolDihydrochloride,>98%
  • 4-hydroxy-m-phenylenendiamine dihydrochloride
  • Diamol
  • 2,4-DIAMINOPHENOL HCL
  • 2,4-DIAMINOPHENOL DIHYDROCHLORIDE 92%
  • Diamidophenol hydrochloride
  • 4-DiaMinophenol 2HCl
  • 2,4-DiaMinophenol dihydrochloride, 98% 25GR
  • AMidol , 98.0%(T)
  • 4-hydroxy-m-phenylenediammonium dichloride
  • 2,4-Diaminophenol dihydrochloride reference substance
  • Amidol &gt
  • 2,4-Diaminophenol dihydrochloride@100 μg/mL in MeOH
  • 4-Hydroxy-m-phenylendiammoniumdichlorid
  • 2,4-Diaminophenol diHCl
  • 2,4-Diaminophenol Dihydrochloride (Amidol) extrapure, 98%
  • dihydrogen 2,4-diaminophenol dichloride
  • Phenol, 2,4-diamino-,hydrochloride (1:2)
  • Amidol, ≥ 97.0%
  • 137-09-7
  • H2N2C6H3OH2HCl
  • C6H8N2O2HCl
  • C6H10Cl2N2O
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