USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
description of sulfamerazine
1.product name: sulphamerazine
2.cas no: 127-79-7
3.purity: 95%min
4.appearance: white crystalline powder
5.hs code: 29350090.90
6.application: antibiotic and antimicrobial agents
7.shelf life: 3 years
8.specification:
specification | ||||||
identification | a.the infrared absorption spectrum; | |||||
b.the thin-layer chromatography; | ||||||
c.the reaction of primary aromatic amines | ||||||
melting point | about 235°c,with decomposition | |||||
characteristics | white,yellowish-white or pinkish-white crystalline powder or crystals | |||||
appearance of solution | not more intensely coloured than y4,by4 or gy4 | |||||
acidity | ≤0.2ml | |||||
related substance | meets(0.5%) | |||||
heavy metals ppm | ≤20ppm | |||||
loss on drying | not more than 0.5% | |||||
sulphated ash | not more than 0.1% | |||||
assay | 99.0~101.0%(dried basis) |
good quality sulfamerazine 127-79-7
description of sulfamerazine
1.product name: sulphamerazine
2.cas no: 127-79-7
3.purity: 95%min
4.appearance: white crystalline powder
5.hs code: 29350090.90
6.application: antibiotic and antimicrobial agents
7.shelf life: 3 years
8.specification:
specification | ||||||
identification | a.the infrared absorption spectrum; | |||||
b.the thin-layer chromatography; | ||||||
c.the reaction of primary aromatic amines | ||||||
melting point | about 235°c,with decomposition | |||||
characteristics | white,yellowish-white or pinkish-white crystalline powder or crystals | |||||
appearance of solution | not more intensely coloured than y4,by4 or gy4 | |||||
acidity | ≤0.2ml | |||||
related substance | meets(0.5%) | |||||
heavy metals ppm | ≤20ppm | |||||
loss on drying | not more than 0.5% | |||||
sulphated ash | not more than 0.1% | |||||
assay | 99.0~101.0%(dried basis) |