Customization: | Available |
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CAS No.: | 100-21-0 |
Formula: | C8h6o4 |
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Function
1.Organic synthesis, determination of residual alkalinity of wool, gas chromatography tailing agent. Add polyethylene glycol 200 to separate and analyze fatty acids.Item | Top grades | First grade | |
Appearance | White powder | White powder | |
Acid value /(mgKOH/g) | 675±2 | 675±2 | |
P-Carboxybenzaldehyde/(mg/Kg) | ≤25 | ≤25 | |
p-methylbenzaldehyde /(mg/Kg) | ≤150 | ≤180 | |
Ignition residue/(mg/Kg) | ≤6 | ≤10 | |
Total heavy metal (Mo,Cr, Ni, Co, Mn,Fe )/(mg/Kg) | ≤3 | ≤5 | |
Fe/(mg/Kg) | ≤1 | ≤2 | |
moisture W/% | ≤0.2 | ≤0.2 | |
DMF tinct(5g/100ml)/Hazen unit | ≤10 | ≤10 | |
(Platinum cobalt color number) | |||
b*value | ≤1.4 | ≤1.5 | |
Particle size distribution | 250μm W/% | 7.9 | 7.9 |
45μm W/% | 10.2 | 10.2 | |
average grain diameter/μm(sieve method) | 128 | 128 |
1. What's the MOQ?
Usually1kg. It is based on the different product. Some are lg and some are 1 ton. Please be free to consult our salesman.
2. What's the shipping time?
If in stock, we will ship it out immediately. By FedEx will be 3~5 days to you.
3. If I need less than the MOQ, is it possible?
Yes. Please be free to consult our salesman.
4. Can you supply the free sample?
Usually it is possible. but the shipping cost be paid bycustomers. It based on the differentproduct.Please be free to consult our salesman.
5. How to store the product?
Store in cool and dry place. It must be in well closed containers. The shelf life will be 2 years.
6. What's your main payment method?
T/T, trade assurance, west union, money gram.
7: Do you have COA, MSDS, co, Health certificate, form 9 or other certificate?
Yes, we have. pls be free to contact us to get updated one.