氟化学制冷剂

产品名称：1,1-二氟乙烷（R152A）

分子式：C_₂H_₄F_₂

CAS登录号：75-37-6

理 化 特 性：

主要成分：纯品

外观与性状：无色无臭气体。

CAS号：75-37-6                       熔点（℃）：-117

沸点（℃）：-25.7                相对密度（水=1）：1.00

相对蒸气密度（空气=1）：2.28          辛醇/水分配系数：

闪点（℃）：无意义                    引燃温度（℃）：无意义

爆炸上限【%（V/V）】：3.7              爆炸下限【%（V/V）】：18.0

燃烧热（Kj/mol）：无意义               临界温度（℃）：113.6

饱和蒸气压（Kpa）：531.96（21.1℃）    临界压力（MPa）：4.50

溶解性：不溶于水。

燃爆危险：易燃气体。

产品用途：

R152a一般与其它制冷剂组成混合制冷剂，广泛应用于制冷系统中，也用作发泡剂、气雾剂、清洗剂及聚氮乙烯的主要原料。

包装规格：

一次性钢瓶：22lb/10kg； 可循环使用钢瓶：926L。

储存运输：

R-152a 制冷剂钢瓶为带压容器，储存时应远离火种、热源、避免阳光直接曝晒，通常储放于阴凉、干燥和通风的仓库内;搬运时应轻装、轻卸，防止钢瓶以及阀门等附件破损。

Product Name: 1,1-Difluoroethane (R152a)

Molecular Formula: C₂H₄F₂

CAS No.: 75-37-6

Physical and Chemical Properties

Main Component: Pure product

Appearance and Odor: Colorless and odorless gas.

Melting Point (℃): -117

Boiling Point (℃): -25.7

Relative Density (Water=1): 1.00

Relative Vapor Density (Air=1): 2.28

Octanol/Water Partition Coefficient: No data

Flash Point (℃): Not applicable

Autoignition Temperature (℃): Not applicable

Upper Explosion Limit (%V/V): 18.0

Lower Explosion Limit (%V/V): 3.7

Heat of Combustion (kJ/mol): Not applicable

Critical Temperature (℃): 113.6

Saturated Vapor Pressure (kPa): 531.96 (21.1℃)

Critical Pressure (MPa): 4.50

Solubility: Insoluble in water.

Fire and Explosion Hazard: Flammable gas.

Product Application

R152a is generally blended with other refrigerants and widely used in refrigeration systems. It also serves as a blowing agent, aerosol propellant, cleaning agent, and a primary raw material for polyvinyl chloride production.

Packaging Specifications

Disposable Cylinder: 22lb/10kg

Recyclable Cylinder: 926L

Storage and Transportation

R152a refrigerant cylinders are pressure vessels. Keep away from fire and heat sources and avoid direct sunlight during storage. Store in a cool, dry and well-ventilated warehouse. Handle with care during handling and transportation to prevent damage to cylinders, valves and other accessories.