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| Diazo S, Coupler 1, Coupler 5, Coupler 11 |
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| Model No.︰ | 200706 |
| Brand Name︰ | - |
| Country of Origin︰ | China |
| Unit Price︰ | USD $ 28 / KG |
| Minimum Order︰ | 100 KG |
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Diphenylamine-4-diazonium salt (Diazo S)
CAS No.: 4477-28-5
2,3-Dihydroxynaphthalene-6-sulfonate (COUPLER 1)
CAS No:135-53-5
Sodium 2,7-dihydroxyl naphthalene-3,6-disulfonate (COUPLER 5)
CAS No:7253-21-1
2,3-dihydroxyl Naphthalene (COUPLER 11)
CAS No: 92-44-4
Packing: export-level woven bag lined with plastic bag, net weight: 25kg or 50kg/bag.
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| Specifications︰ | Diphenylamine-4-diazonium salt (Diazo S)
CAS No.: 4477-28-5
Molecular Weight: 293
Molecular formula: C12H11N3O4S
Specifications:
Moisture: <0.5%
Aspect: Yellow Powder
Assay: 95%(min)
Melting point: 168—170*C(dec)
2,3-Dihydroxynaphthalene-6-sulfonate (COUPLER 1)
CAS No:135-53-5
USE It is mainly used as coupler for diazo photosensitive pater, It also used as additive off food colour and plating
Content: 99% 98% 97% 90% 85%
M.W: 262
Fe: 10PPM 20PPM 40PPM
Aqueous solution: Light yellow transparent liquid
PH value: 3-6
Organic impurity:<1%
Storage: Stored in dark dry place for two years
Appearance: White powder or crystal
Sodium 2,7-dihydroxyl naphthalene-3,6-disulfonate (COUPLER 5)
CAS No:7253-21-1
Molecular Formula: C10H6Na2O8S2
Uses: used as blueprint coupling ingredient.
Content: ≥97%
Molecular Weight: 364
Iron: 10PPM
Moisture: 1%
Appearance: cyan grey to greyish white powder
2,3-dihydroxyl Naphthalene (COUPLER 11)
CAS No: 92-44-4
Molecular Formula: C12H12O2
Uses: used as dye and pharmaceutical intermediate,hair dye.
Purity: 98%
Molecular Weight: 160
Moisture: 1%
Iron ion: 10PPM
Melting Point: 162*C~164*C
Appearance: greyish white or pinkish powder.
Packing: export-level woven bag lined with plastic bag, net weight: 25kg or 50kg/bag. |
| Payment Details︰ | T/T, L/C |
| Min Order︰ | 100KG |
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