USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
triumph has the complete production of g- kg - mt service chain,we can make the new technology into productivity quickly in the research and development of new products.
main service
1.own made fine chemical products
2.out sourcing and quality controlling service in china
3. com for chemical synthesis
4.lab custom synthesis of api and intermadiates
quality assurance
1. nmr,hplc and coa can be supplied
2. free sample for testing
recommend products
sodium dimethyl 5-sulphonatoisophthalate
cas:3965-55-7
item |
specification |
result |
test method |
active ingredeints |
|||
assay(as dried base,%) |
98.0% min |
99.68% |
hplc |
physical control |
|||
appearance |
crystalline powder |
complies |
visual |
color |
white to colourless |
complies |
visual |
odor &taste |
characteristic |
complies |
organoleptic |
identification |
positive |
complies |
ir&1h nmr |
loss on drying |
≤1.0% |
0.35% |
usp |
melting point |
97°c-98°c |
97°c-98°c |
usp |
residue on ignition |
≤0.5% |
0.08% |
usp |
chemical control |
|||
heavy metals (as pb) |
nmt20ppm |
conforms |
usp |
related substance |
meet the requirements |
conforms |
usp |
|
|