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/Chemical Intermediates/Intermediate Compounds
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/Chemical Intermediates/Intermediate Compounds
Product Category
Brand:
Spec:
Stock:
Origin:
About Toocle.com -  Toocle Partnership -  Toocle Services -  Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經營性-2023-0192
ChatGlobal Chat Now 夏河县| 田东县| 旅游| 永泰县| 疏附县| 兴山县| 墨竹工卡县| 甘德县| 灵璧县| 武宣县| 伊宁县| 宣化县| 启东市| 常州市| 东山县| 松阳县| 克山县| 武义县| 辉南县| 杭锦后旗| 慈溪市| 凌源市| 隆化县| 安平县| 岚皋县| 中方县| 集安市| 淳化县| 南康市| 孟连| 茌平县| 隆德县| 新泰市| 长武县| 昆山市| 弋阳县| 林芝县| 三都| 海兴县| 和龙市| 分宜县|