USD $1.00-1.00 / Metric Ton
USD $1.00-1.00 / Metric Ton
1. hubei jusheng technology co., ltd., is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in china.
2. the yearly production capacity is 50000mt, 80% for export.we have a professinal export team. both by air and by sea,we ensure that we meet the customer expectations with promptness.
3. our company facing global high-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and rare chemicals trade. corey have well-equipped machine, strong technical force and considerate marketing team service.
4. we also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.
item | specifications | results |
appearance | slightly yellow, clear, viscous oil | qualified |
assay by g.c | 98.0_102.0% | 98.8% |
identity | corresponds | qualified |
infrared spectrum | meets ep requirement | qualified |
option rotation | -0.01°~ +0.01° | qualified |
density(20°c) | 0.952_0.966g/ml | 0.955g/ml |
refractive index(20°c) | 1.494_1.498 | 1.496 |
related substances |
impurities a, c: for each impurity ≤ 0.5% impurity b ≤ 1.5% sum of impurity d+e ≤ 1.0% any other impurities: meet ep requirements total impurities: ≤ 2.5% |
qualified |
absorbance in ethanol: at about 284nm (max) at about 254nm (min) |
42.0_45.0 7.5_9.0 |
44.0 8.8 |
acidity | max.1.0ml of 0.1 n naoh | 0.04 ml |
sulphated ashes | ≤0.1% | 0.03% |
heavy metals | ≤10ppm | <5ppm |
lead | ≤2ppm | 0.04ppm |
arsenic | ≤3ppm | <1ppm |
free tocopheryl | ≤1.0% | 0.35% |
organic volatile impurities | meets usp requirements | qualified |
conclusion: the product complies with usp/bp/ep/fcc standard |