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 Dichloromethane - China Supplier
China Dichloromethane - China Supplier

Dichloromethane

Price:Negotiable
Industry Category: Chemicals/Hydrocarbons/Dichloromethane
Product Category:
CAS NO: 75-09-2
Brand:
Spec:


Contact Info
  • Add:No. 2-1316, Lishi·Luxembourg Jiangdong Road, Kechen West District, Quzhou, Zhejiang, Zip: 324000
  • Contact: Young
  • Tel:+86-570-2985588 / 2985568 / 2985598 / 2985558
  • Email:sales@youngtimechem.com

Other Products

Description
Additional Information

CAS No.: 75-09-2

Molecular formula: CH2Cl2

Molecular weight: 84.93

RTECS No.: PA8050000

HS No.: 2903120090

UN No.: 1593

Hazard cargo No.: 61552

IMDG Page: 6127

I.Physicochemical properties:

1. Appearance and property: Colorless liquid, non-combustible, with the ether-like sugar smell.

2. Freezing point : -95°C

3. Boiling point: 39.75°C

4. Liquid weight (D20°): 1.3255

5. Solubility: 20 G/L (20 °C)?

6. Spontaneous ignition temperature: 640°C.

7. Viscosity (20°C): 0.43mPa·s.

8. Refractive rate nD (20°C): 1.4244.

9. Critical temperature: 237°C

10. Critical pressure: 6.0795MPa. ??

II. Usage:

Used in the noncombustible solvent: metallic paint cleaning, release agent, metal degreasing agent,cellulose triacetate solvent; as solvent in the production of film strip, aerosol, antibiotc, vitamin; foaming agent: used in engineering plastic foaming; used in the production of flame retardant products; instead of F11, F12U products; used in the synthesis of fine chemical products. ???

III. Quality standard

Dichloromethane Quality standardQ/YT002-2008

Item

Index

Superior

First class

Qualified

Purity a/%?????≥

99.95

99.90

99.80

Moisture /%? ??????????≤

0.010

0.020

0.030

Acidity(Calculated by HCl)/%? ≤

0.0004

0.0008

Color/Hazen unit (Pt-Co Color No.) ? ≤

10

Residue after evaporation/%?????? ≤

0.0005

0.0010

athe added stabilizer amount in not included in the mass fraction of dichloromethane

IV. Precautions:

Explosion limit of dichloromethane in the air: 8.1-17.2%, is combustible chemical product. With high concentration, long-term contact will cause dizziness, sleepiness, nausea, tinnitus or numb limb, will recover after moving to fresh air, can not cause lasting damage. Contact with eyes can cause pain and irritation, will cause dermatitis in case of long-term contact. ???

V. Packing, storage and transportation

Hazard rank: 6.1 type toxic liquid

Hazard cargo packing mark: 15

Packing type: III

Packing materials: Galvanized drum or close tank car

Precautions: Dichloromethaneis packed in galvanized iron drum, black iron drum or tank car, can offer nitrogen protection in case of any special requirements. Should be stored in dry, cool and ventilated warehouse, away from high cencentration oxygen or oxidant and moisture.The transportation shall comply with the PRC road and railway transportation provision on hazard chemicals.

CAS NO:75-09-2

EC NO:200-838-9

Molecular Formula:CH2Cl2

Molecular Weight:84.93

Synonyms:;Methylene chloride;Methane dichloride;Methylene dichloride;narkotil;Plastisolve;R 30;Refrigerant 30;solaesthin;solmethine;

Molecular Structure:二氯甲烷 75-09-2

Industry Category Chemicals/Hydrocarbons/Dichloromethane
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 Now 顺平县| 井冈山市| 花垣县| 浦城县| 会昌县| 河池市| 庆元县| 项城市| 贡觉县| 贵德县| 忻州市| 信阳市| 南平市| 尚志市| 隆林| 布尔津县| 哈密市| 潮安县| 沧州市| 建水县| 资源县| 江陵县| 通河县| 平原县| 宝坻区| 锡林郭勒盟| 赤水市| 佛冈县| 陵川县| 安西县| 洪湖市| 禹城市| 百色市| 甘肃省| 武乡县| 丽江市| 旬邑县| 六盘水市| 梨树县| 道孚县| 西林县|