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4-methylaminophenol sulfate

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Origin: China

Cas No: 55-55-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 55-55-0 Formula: C7H11NO5S Molecular Weight: 221.23100

Description

Metol is the organic compound with the formula [HOC6H4NH2(CH3)]HSO4. It is the hydrogen sulfate (HSO4−) salt of the protonated derivative of N-methylaminophenol. This colourless salt is a popular photographic developer used in black & white photography.

Basic Info

Chemical Name	4-methylaminophenol sulfate
Synonyms	ARMOL; METOL4; GENOL; ELON; Metol sulphate; 4-Methylamino-phenol,Sulfat; 4-(methylamino)phenol sulphate; verol; METHOL; bis(4-hydroxy-N-methylanilinium) sulfate; pictol; photol; 4-(methylamino)phenol sulfate; 4-Methylaminophenol sulfate; Motol;
CAS No.	55-55-0
Molecular Formula	C7H11NO5S
Molecular Weight	221.23100
PSA	115.24000
LogP	1.93490

Properties

Appearance & Physical State	white crystalline powder
Density	1.577
Boiling Point	262.7ºC at 760 mmHg
Melting Point	260ºC
Flash Point	148.6ºC
Water Solubility	50 g/L (20 ºC)
Stability	Stability Combustible. Incompatible with strong oxidizing agents, acids, acid halides.
Storage Condition	-20ºC

Safety Info

RTECS	SL8650000
Hazard Class	6.1
Safety Statements	S36/37-S46-S60-S61
HS Code	29222900
Packing Group	III
WGK Germany	3
RIDADR	UN 3077
Risk Statements	R22; R43; R48/22; R50/53
Hazard Codes	Xn; N

Synthesis Route

acetic acid-(4-benzylidenamino-phenyl ester)+dimethyl sulfate→4-methylaminophenol sulfate
4-Aminophenol Hydrochloride+dimethyl sulfate→4-methylaminophenol sulfate

Precursor

4-Aminophenol Hydrochloride
dimethyl sulfate
acetic acid-(4-benzylidenamino-phenyl ester)

Downstream Product

1,2-dimethylhydrazine,hydrochloride

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