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 Isobutyl paraben - China Supplier

Isobutyl paraben

Price:Negotiable
Industry Category: Chemicals
Product Category:
Brand:
Spec:


Contact Info

Other Products

Description
Additional Information

Isobutyl Paraben

Product Number: SX2007

Chemical Name: Isobutyl p-hydroxybenzoate
Trade Name: Isobutyl Paraben
Molecular Formula: C11H14O3
Molecular Weight: 194.23
Structural Formula:
CAS#: 4247-02-3
Physical and Chemical Properties: Colorless fine crystals or white crystalline powder. Odorless. Slightly soluble in water (0.035g/100ml, 25°C).
Easily soluble in ethanol, glacial acetic acid, propylene glycol, and acetone.
Product Quality Standards (Japanese Standard, 1992)

Item

Specification

Content

≥99%

Melting Point

75~77°C

Sulfate (as SO4)

≤0.024%

Free Acid (as p-hydroxybenzoic acid)

≤0.55%

Residue on Ignition (GT—20)

≤0.10%

Heavy Metals (as Pb)

≤10μg/g

Arsenic (as As2O3)

≤4μg/g

Loss on Drying (5h on silica gel)

≤0.5%

Uses: Preservative, antifungal agent. Rarely used alone; often mixed with isopropyl ester, butyl ester, etc., as an oil-in-water emulsifier. Solubility is 2~3 times higher than that of pure butyl ester. Easily used in soy sauce.
Packaging: Packed in plastic bags, 1kg per bag, 20 bags per carton (cardboard box), or packed in plastic-lined fiber drums, net weight 25kg or 50kg per drum.
*Special requirements can be negotiated separately

Industry Category Chemicals
Product Category
Brand:
Spec:
Stock:
Origin:
About Toocle.com - Partner Programme - Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Me 衡阳县| 三原县| 昌平区| 蓬莱市| 斗六市| 本溪市| 刚察县| 阜康市| 嘉禾县| 安阳市| 乡宁县| 海南省| 彭水| 吴川市| 隆林| 新乡市| 固原市| 达州市| 黑龙江省| 右玉县| 南雄市| 隆化县| 泰来县| 于都县| 新邵县| 兴国县| 青阳县| 夏邑县| 宁波市| 济宁市| 彰武县| 博客| 华阴市| 稻城县| 甘洛县| 休宁县| 公安县| 萍乡市| 鹿泉市| 长寿区| 冀州市|