p-METHYLAMINOPHENOL SULFATE

PRODUCT IDENTIFICATION
CAS NO. 55-55-0 (hemisulfate)
1936-57-8 (sulfate)
150-75-4 (parent)

p-METHYLAMINOPHENOL SULFATE

EINECS NO.

200-237-1 (hemisulfate),
217-706-1 (sulfate)
205-768-2 (parent) 

FORMULA C7H9NO · ½H2SO4
MOL WT. 172.19
H.S. CODE 2922.29.6100

UN NO.

 3077
TOXICITY  
SYNONYMS p-Methylaminophenol sulfate; Paramethylaminophenol sulfate;

Metol; 4-(Methylamino)phenol sulfate salt (2:1); p-Methylaminophenol sulfate; Armol; Elon; Genol; Graphol; Metatyl; Methyl-p-aminophenol sulfate; N-Methyl-4-hydroxyaniline hemisulfate; N-Methyl-p-aminophenol sulfate; p-(Methylamino)phenol sulfate salt (2:1); Photol; Pictol; Planetol; Rhodol; Verol; p-Methylaminophenol sulfate; Bis(4-hydroxy-N-methylanilinium) sulphate; Other RN: 160976-13-6
SMILES S(O)(O)(=O)=O.c1(ccc(O)cc1)NC.c1(ccc(O)cc1)NC

CLASSIFICATION

Secondary amine, Hair dye, Developer

EXTRA NOTES

 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE

white to beige powder

MELTING POINT 260 C
BOILING POINT  
DENSITY

1.577

SOLUBILITY IN WATER soluble in 20 parts cold water soluble in 6 parts boiling water
SOLVENT SOLUBILITY slightly soluble in alcohol
log Pow  
OH RATE CONSTANT  
AUTOIGNITION  
pH  
VAPOR DENSITY  
NFPA RATINGS

 

FLASH POINT

 

STABILITY Stable under ordinary conditions. Hygroscopic.

EXTERNAL LINKS & GENERAL DESCRIPTION

Wikipedia Linking

Google Scholar Search

http://ec.europa.eu/
p-Methylaminophenol sulphate is used in oxidative hair dye formulations at a maximum concentration of 1.35 %, which after mixing typically in a 1:1 ratio with hydrogen peroxide prior to use, corresponds to a concentration of 0.68% upon application.

http://www.makingcosmetics.com/
Hair Dyes

 
SALES SPECIFICATION

APPEARANCE

white to beige powder

PURITY (HPLC)

97.5 % min

SULPHATE IONS

30.0-30.5 %

IMPURITY

1.5% max

ASH

0.1% max

LOSS ON DRYING

0.1% max

HEAVY METALS

20ppm max

TRANSPORTATION
PACKING  
HAZARD CLASS 9 (Packing Group: III)
UN NO. 3077
SAFETY INFORMATION
Hazard Symbols: XN N, Risk Phrases: 22-43-48/22-50/53, Safety Phrases: 36/37-46-60-61
PRICE INFORMATION