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 鹰潭市| 探索| 石景山区| 东乡县| 长春市| 嫩江县| 长治市| 巴东县| 孟州市| 昌邑市| 夹江县| 虞城县| 项城市| 万安县| 浮梁县| 霍林郭勒市| 达州市| 周宁县| 搜索| 衡山县| 凉城县| 临夏县| 钟祥市| 两当县| 彭山县| 额尔古纳市| 温泉县| 岱山县| 南投市| 龙口市| 加查县| 武汉市| 康马县| 洪洞县| 慈利县| 凤庆县| 峨山| 密山市| 哈尔滨市| 广东省| 绥宁县|