Photo Chemicals Metol 4-Methylaminophenol Sulfate CAS 55-55-0

• CAS No.: 55-55-0
• Formula: C7h11no5s
• EINECS: 200-237-1
• Type: Photography Chemicals
• Appearance: Powder
• Quality: Industrial
• Model NO.: 55-55-0
• Colour: White
• Boiling Point: 262.7ºC at 760mmhg
• Melting Point: 260 °c (DEC.)(Lit.)
• Density: 1.577
• Flash Point: 148.6ºC
• Transport Package: Drum
• Specification: 99%
• Trademark: LABEYOND
• Origin: India
• HS Code: 29222900

Product Description

   

Product Name	Metol
Synonyms	4-Methylaminophenol sulfate; 4-(Methylamino)phenol hemisulfate salt
CAS	55-55-0
Molecular formula	2(C7H9NO)·H2SO4
Molecular Weight	172.19
Physical and Chemical Properties	Melting Point :260ºC
	Density :1.250 g/mL,25ºC
General Description	white to almost white crystalline powder
Usage	It is used for the development of high-speed, low contrast negative materials.
Packing	25kgs/drum
Storage condition	Stored in a cool, ventilated warehouse. Stay away from fire and heat. Storage should be kept separate from oxidant. Equipped with corresponding varieties and quantities of fire equipment. The storage area shall be equipped with leakage emergency treatment equipment and suitable shelter materials.
Specifications
Items	Standard
physical appearance	white to almost white crystalline powder free from any lumps.
assay	99.0% min.
ash (residue on ignition)	0.1% max.
iron as fe	0.003% max.
heavy metal as pb (lead)	0.001% max.
ph of 4% aqueous solution at 20ºC	3.4 to 3.7 ph
moisture	0.30% max.
apperance of solution in water	5% solution in distilled water should be clear and almost colorless and free from extraneous impurities.