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 Chloromethane - China Supplier

Chloromethane

Price:Negotiable
Industry Category: Chemicals/Hydrocarbons/Dichloromethane
Product Category:
CAS NO: 74-87-3
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.: 74-87-3

Molecular formula: CH3Cl

Molecular weight: 50.49

RTECS No.: PA6300000

HS No.: 2903110000

UN No.: 1063

Hazard cargo No.: 23040

IMDG Page: 2158 

I.Physicochemical properties:

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

2. Melting point: -97.7°C

3. Boiling point: -24°C (760mmHg)

4. Liquid weight (D20°): 0.95

5. Solubility: (In water, 25°C): 0.95

6. Explosion limit (In the air V%): 8.1-17.2

7. Maximum allowable concentration: 5mg/m3

II. Usage:

Used in the production of methyl chlorosilane, tetramethyllead, methyl cellulose, and a small amount is used in the production of quaternary ammonia compounds, pesticide, and used as solvent in the production of butyl rubber.

III. Quality standard

Implement Q/73484587-0.2-2002 business standard

Item

Index

Superior

First class

Qualified

Purity a/%  ≥

99.6

99.1

98.60

Residue after evaporation/%  ≤

0.003

0.005

0.008

Moisture/%  ≤

0.040

0.070

0.10

Acidity (Calculated by HCl) /% ≤

0.0015

0.005

0.008

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

10

15

25

Colorless transparent liquid, no suspended matter

IV. Precautions:

This product is toxic, inhalation of it can cause dizziness and nausea. Maximum allowable concentration is 80mg/ m3 in working place. The operator should wear the protective equipment to avoid contact with it. In case of contact with skin, rinse immediately with plenty of water; if inhalation, rapidly from the scene to fresh air, seek medical attention.

V. Packing, storage and transportation

Hazard rank: 2.3 type toxic gas

Hazard cargo packing mark: 6; 32

Packing type: II

Packing materials: Steel cylinder or tank car

Precautions: Inflammable compressed gas. Stored in cool and ventilated warehouse. The warehouse temperature should be lower than 30°C. Away from fire, and heat, avoid direct sun light. Should be separated with oxygen, compressed air, oxidant, etc. The lighting, ventilating equipment in the warehouse must explosion proof and the switch should be installed outside the warehouse. The warehouse shall have the corresponding fire-fighting equipment. The fireproofing and explosion proofing measures are required during tank storage and cooling measures are required during the tank storage open-air in summer. Prohibition of the use of mechanical equipment or tools which is easy to produce a spark, shall not stay in the residential area and congested area.

ERG guide: 115

CAS NO:74-87-3

EC NO:200-817-4

Molecular Formula:CH3Cl

Molecular Weight:50.4875

Synonyms:;Methyl chloride;

Molecular Structure:一氯甲烷 74-87-3

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 遂昌县| 新营市| 子长县| 新巴尔虎右旗| 花莲市| 玉山县| 北川| 茌平县| 焉耆| 南丰县| 湾仔区| 工布江达县| 英德市| 盐津县| 思茅市| 山丹县| 德格县| 五华县| 浮梁县| 东阿县| 苏州市| 义乌市| 牡丹江市| 曲阜市| 顺昌县| 广平县| 延边| 洛川县| 金湖县| 华池县| 繁昌县| 深水埗区| 南宁市| 顺义区| 安溪县| 海原县| 崇明县| 偃师市| 黄龙县| 武强县| 赣州市|