国产偷人精品一二三区_亚洲av成人婷婷无码_精品永久无码成人AV电_精品国产乱码一区二区三区99_亚洲日韩精品肥臀夜夜嗨

chinese

english

products

3,4-Dihydroxy Benzoic Acid

CAS NO: 99-50-3

Structure:

Appearance: White-like Crystalline Powder

Content: 99%

Loss on Drying: ≤1%

Melting Point: 201-203°C

Clarity of Solution: Clarity of Solution: Clear (by Methanol)