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4-Methylaminophenol sulfate

4-Methylaminophenol sulfate Structure
CAS No.
55-55-0
Chemical Name:
4-Methylaminophenol sulfate
Synonyms
METHOL;METOL;P-METHYLAMINOPHENOL SULFATE;verol;P-METHYLAMINOPHENOL SULPHATE;n-methyl-p-aminophenol;ELON;ARMOL;GENOL;Motol
CBNumber:
CB4737544
Molecular Formula:
C7H11NO5S
Molecular Weight:
221.23
MOL File:
55-55-0.mol
MSDS File:
SDS
Modify Date:
2024/9/5 22:20:32

4-Methylaminophenol sulfate Properties

Melting point 260 °C (dec.)(lit.)
Density 1.577
refractive index 1.6510 (estimate)
storage temp. −20°C
solubility H2O: 50 mg/mL, clear
form Powder
color white to faintly beige
Water Solubility 50 g/L (20 ºC)
Sensitive Air Sensitive
Merck 14,6017
BRN 3919382
Stability Stability Combustible. Incompatible with strong oxidizing agents, acids, acid halides.
CAS DataBase Reference 55-55-0(CAS DataBase Reference)
EPA Substance Registry System p-Methylaminophenol sulfate (55-55-0)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07,GHS08,GHS09
Signal word  Warning
Hazard statements  H302-H317-H373-H410
Precautionary statements  P273-P280-P301+P312+P330-P302+P352-P314
Hazard Codes  Xn,N
Risk Statements  22-43-48/22-50/53
Safety Statements  36/37-46-60-61
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  SL8650000
8
Autoignition Temperature 989 °F
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29222900
NFPA 704
1
2 1

4-Methylaminophenol sulfate price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 69750 Metol purum, for photographic purposes, ≥98.0% (HPLC) 55-55-0 100G ₹5001.15 2022-06-14 Buy
Sigma-Aldrich(India) 69750 Metol purum, for photographic purposes, ≥98.0% (HPLC) 55-55-0 500G ₹7664.1 2022-06-14 Buy
Sigma-Aldrich(India) 320013 4-(Methylamino)phenol hemisulfate salt ACS reagent, 99% 55-55-0 100G ₹2175.83 2022-06-14 Buy
Sigma-Aldrich(India) 15501 ECOL™ ≥98% (HPLC) 55-55-0 100G ₹3106.78 2022-06-14 Buy
Sigma-Aldrich(India) 320013 4-(Methylamino)phenol hemisulfate salt ACS reagent, 99% 55-55-0 500G ₹8573.4 2022-06-14 Buy
Product number Packaging Price Buy
69750 100G ₹5001.15 Buy
69750 500G ₹7664.1 Buy
320013 100G ₹2175.83 Buy
15501 100G ₹3106.78 Buy
320013 500G ₹8573.4 Buy

4-Methylaminophenol sulfate Chemical Properties,Uses,Production

Description

Metol is contained in black-and-white film developers and caused contact dermatitis in photographers.

Chemical Properties

White crystalline powder

Uses

4-methylaminophenol sulfate is used as a photographic developer and fur dye.

Definition

ChEBI: The sulfate salt of 4-methylaminophenol.

General Description

Off-white crystalline solid. Sensitive to light.

Air & Water Reactions

Water soluble.

Reactivity Profile

In aqueous solution behaves as an acid. Materials in this group are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.

Hazard

Eye and skin irritant.

Fire Hazard

Flash point data for 4-Methylaminophenol sulfate are not available but 4-Methylaminophenol sulfate is probably combustible.

Contact allergens

Metol is contained in black and white film developers and caused contact dermatitis in photographers.

Purification Methods

Crystallise this photographic developer from H2O (needles m 250-260o) (its solubility is 5% at 20o and 17% at 100o) or MeOH. It is used for determining Ag. [Palit et al. Indian J Chem, Sect B 28 64 1989.]

4-Methylaminophenol sulfate Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 377)Suppliers
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TCI Chemicals (India) Pvt. Ltd. 1800 425 7889 New Delhi, India 6778 58 Inquiry
METOL(TM) BIS-(N-METHYL-4-HYDROXYANILINIUM) SULFATE ARMOL ELON ECOL(R) GENOL PHOTO-REX(R) PICTOL(TM) P-HYDROXYMETHYLANILINE SULFATE PLANETOL N-Methyl-p-aminophenolsulfate 4-METHYLAMINO-PHENOL HEMISULFATE 4-(METHYLAMINO)PHENOL HEMISULFATE SALT 4-(METHYLAMINO)PHENOL SULFATE 4-(METHYLAMINO)PHENOL SULPHATE bis(4-hydroxy-N-methylanilinium) sulphate METOLMIN (4-MethylaMino phenol sulfate 4-METHYLAMINOPHENOL HEMISULFATE*PHOTOGRA PHIC GRADE METOL, FOR PHOTOGRAPHIC PURPOSES METOL, PHOSPHATE REAGENT ACS 4-(METHYLAMINO)PHENOL SULFATE, 99%, A.C. S. REAGENT ECOL BIS-(4-METHYLAMINOPHENOL) SULFATE Metol(ForPhotographicPurpose) 4-MethylaminophenolSulphate,>97.5% 4-Methylaminophenolsulfate,99% p-(methylamino)-phenosulfate(2:1)(salt) Phenol,4-(methylamino)-,sulfate(2:1)(salt) photol pictol Bis(4-hydroxy-N-methylanilinium) sulphate~Metol 4-(METHYLAMINO)PHENOL SULFATE REAGENT (ACS) 4-(methylamino)phenol sulfate, acs bis(4-hydroxy-n-methylanilinium) sulfate PARA-METHYLAMINOPHENOLSULPHATE 4-N-METHYLAMINOPHENOLSULPHATE METOL4 N-METHYL-PARA-AMINOPHENOLSULPHATE Bis(4-hydroxy-N-methylanilinium)-sulfat p-methylamino-pheno sulfate METOL (4-METHYLAMINOPHENOL SULFATE) N-methylaminophenol sulfate METOL extrapure 4-(Methylamino)phenol hemisulfate salt, Metol N-METHYL-4-AMINOPHENOL SULFATE 4-(METHYLAMINO)PHENOL SULPHATE / METOL 4-(METHYLAMINO)PHENOL SULFATE, ACS, 99.0-101.5% 4-(Methylamino)phenol sulfate (2:1 salt) 4-Methylaminophenol sulfate, synthesis grade 4-(MethylaMino)phenol Sulfate, Reagent 4-MethylaMinophenol sulfate, 99% 5GR 4-MethylaMinophenol sulfate, ACS reagent 4-(methylamino)-phenosulfate(2:1)(salt) Motol N-Methyl-4-hydroxyaniline hemisulfate Bis(p-methylaminophenol)sulfate elon(developer) graphol metatyl