3-HYDROXYNAPHTHALENE-2-CARBOXYLIC ACID BETA-OXY NAPHTHOIC ACID 3-HYDROXYNAPTHALENE-2-CARBOXYLIC ACID
1.High quality and competetive price
1)We can offer COA Certificate and official Invoice.
2)We are manufacturer with own lab and factory, can provide high quality products with factory price.
3)Products purity is test by our quality department strictly before sending, and you can also ask the third testing organization come and inspect, such as (SGS/ CTI/ ITS), only after your confirmation will we send it out to you.
2.Fast and safe delivery
1)Produa/Train/Air
3.We have clients throughout the world
1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2) Market feedback and goods feedback will be appreciated, meeting customers' requirement is our responsibility.
3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers. cts can be arranged first time we receive your prepayment. Fixed service person are 7x24h for you to contact.
2) Secure and discreet shipment. Various transportation methods for your choice, like DHL/UPS/TNT/FedEx/SF-express/Se
Specifications:
Items
|
Excellent grade
|
First grade
|
Appearance |
Pale yellow powder
|
Pale yellow powder
|
Assay% ≥ |
99
|
98.5
|
Melting point of dry product ºC ≥ |
218 ºC
|
217.5 ºC
|
Insoluble in sodium bicarbonate% ≤ |
0.05
|
0.1
|
Moisture % ≤ |
0.1
|
0.15
|
2.6 acid% ≤ |
0.09
|
0.1
|
2.3.6 acid% ≤ |
0.08
|
0.1
|
2-naphthol% ≤ |
0.4
|
0.5
|
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