尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

China p-Hydroxybenzoic acid - China Supplier
China p-Hydroxybenzoic acid - China Supplier

p-Hydroxybenzoic acid

Price:Negotiable
Industry Category: Chemicals/Carboxylic Acids/Benzoic Acid
Product Category:
Brand:
Spec:


Contact Info

Other Products

Description
Additional Information

p-Hydroxybenzoic Acid

Product Number: SX1001

Chemical Name: p-Hydroxybenzoic Acid
Trade Name: p-Hydroxybenzoic Acid
Molecular Formula: C7H6O3
Molecular Weight: 138.12
CAS#: 99-96-7
Physical and Chemical Properties: This product is a white crystalline powder, odorless, tasteless, with a numbing sensation when tasted. It is easily soluble in hot water, alcohol, ether, and acetone; slightly soluble in cold water and benzene; insoluble in carbon disulfide. Soluble in 125 parts of cold water; relative density 1.46.

Product Quality Standards

Item
Specification
Polymer Grade
Industrial Grade
Appearance
White crystalline powder
White crystalline powder
Content (dry basis) % ≥
99.6
99.0
Melting Point ℃
214-217
212-216
Odor
Odorless
Odorless
Solubility
Clear and transparent
Clear and transparent
Loss on Drying % ≤
0.20
0.50
Color (Pt-Co) ≤
10
40
Ash Content % ≤
0.02
0.15
Sulfate (as SO42-) % ≤
0.01
0.05
Chloride (as Cl?) % ≤
0.005
0.02
Phenol % ≤
0.01
0.10
Salicylic Acid % ≤
0.02
0.10
4-Hydroxyisophthalic Acid ppm ≤
500
/
Methanol Insolubles ppm ≤
50
/
Potassium (K?) ppm
5
/
Sodium (Na?) ppm ≤
5
/
Iron (Fe) ppm ≤
5
/
Calcium + Magnesium (Ca2? + Mg2?) ppm ≤
10
/

Applications: This product can be used as a preservative, dye, pharmaceutical and injection molding intermediate. It can be esterified with alcohols to produce parabens, and is also a main raw material for high-performance liquid crystal polymers and pesticide intermediates.
Packaging: This product is packaged with inner double-layer plastic and outer woven bags, net weight 25 kg per bag; or in PP bags, net weight 500 kg/bag or 1000 kg/bag.
*Special requirements can be negotiated separately.

Industry Category Chemicals/Carboxylic Acids/Benzoic Acid
Product Category
Brand:
Spec:
Stock:
Origin:
About Toocle.com -  Toocle Partnership -  Toocle Services -  Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Now 延津县| 冕宁县| 登封市| 镇赉县| 当阳市| 中牟县| 仪征市| 阿拉善左旗| 游戏| 甘孜| 黔南| 长武县| 南开区| 叶城县| 丰镇市| 盐边县| 荣成市| 凤台县| 香河县| 合水县| 平邑县| 临夏县| 沂南县| 红原县| 保定市| 梅州市| 阿巴嘎旗| 山东| 濉溪县| 孝昌县| 且末县| 天气| 瓦房店市| 荆州市| 平南县| 黔南| 鄯善县| 南京市| 青铜峡市| 聂拉木县| 运城市|