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 Isobutylparaben - China Supplier

Isobutylparaben

Price:Negotiable
Industry Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Product Category:
Brand:
Spec:


Contact Info

Other Products

Description
Additional Information

Isobutyl Paraben

Product Number: SX4007

Chemical Name: Isobutyl p-hydroxybenzoate
Trade Name: Isobutyl Paraben
Molecular Formula: C11H14O3
Molecular Weight: 194.23
Structural Formula:
CAS#: 4247-02-3
Physicochemical 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., for use as an oil-in-water emulsifier. Solubility increases 2–3 times compared to 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(jīng)營性-2023-0192
ChatGlobal Chat Now 云安县| 沙田区| 惠东县| 华安县| 大方县| 饶阳县| 玉树县| 增城市| 屏边| 晴隆县| 贡嘎县| 宁国市| 定边县| 东乌珠穆沁旗| 周宁县| 惠州市| 石棉县| 铜川市| 玛纳斯县| 朝阳县| 油尖旺区| 吉林市| 巴马| 张家川| 湘西| 天峻县| 樟树市| 宜春市| 苏尼特右旗| 逊克县| 岗巴县| 文登市| 满洲里市| 汕尾市| 扎鲁特旗| 江城| 桦川县| 耒阳市| 水城县| 台中市| 屯留县|