Diazo serials

Please send us email from this website for details.

Catalogue No.C255.1.
Chemical name:Diphenylamine-4-diazonium salt (Diazo S)
CAS No.: 4477-28-5
Trade name: DIAZO S
Molecular weight : 293
Molecular formula: C12H11N3O4S
Packing: 25Kg/drum.
Storage:
Not exposed in sunlight nor incandescent lamp.
Avoid high tempreture and moisture, far away from fire.
At tempreture 20°C or below, the storage time is 1 year since the production date.

Catalogue No.C255.2.
Chemical name: 2-diazo-1-naphthol-4-sulfonyl chloride
CAS No.: 36451-09-9
Molecular formula:C10H5ClN2O3S
Molecular weight:268.68
Structural formula:
Properties: yellow crystalline powder
Usage:PS plate photosensitizing glue, photoresist
Quality standard:
Appearance:yellow to orange crystal
Assay: ≥98.0%
Decomposed point: ≥140°C
Packing:5kg/bag or 25kg/drum.
Storage:
Not exposed in sunlight nor incandescent lamp.
Avoid high tempreture and moisture,far away from fire.
At tempreture 20°C or below, the storage time is 1 year since the production date.

Catalogue No.C255.3.
Chemical name:2-Diazo-1-Naphthol-5-Sulfonyl Chloride
CAS No.: 3770-97-6
Trade name: NAC-5
Molecular formula:C10H5ClN2O3S
Molecular weight:268.68
Quality standard:
Appearance:yellow to orange crystal
Assay: ≥98.0%
Decomposed point: ≥131°C
Packing: 5kg/bag, 25kg/drum.
Storage:
Not exposed in sunlight nor incandescent lamp.
Avoid high tempreture and moisture,far away from fire.
At tempreture 20°C or below, the storage time is 1 year since the production date.

Catalogue No.C255.4.
Chemical name:2-Diazo-1-Naphthol-5-Sulfonic Acid, Sodium Salt
CAS No.: 2657-00-3
Trade name: NAS-5
Molecular formula: C10H5N2O4SNa·H2O
Molecular weight: 290.23
Quality standard:
Appearance:yellow to orange crystal
Assay: ≥95.0%  or  ≥99.0%(HPLC)
Moisture with hydrate:  ≤7.5%
Packing: 25Kg/drum.
Not exposed in sunlight nor incandescent lamp.
Avoid high tempreture and moisture,far away from fire.
At tempreture 20°C or below, the storage time is 1 year since the production date.