二氯一氟乙烷 HCFC141b，是一种高纯度液体，在塑料泡沫领域中具有广泛的应用，可作清洗剂和发泡剂，替代R11和R113。
R141b物理性质
| 化学式 | CH3CCl2F | ||
| 分子量 | 116.95 | 临界压力,MPa | 4.25 |
| 沸点(1atm),℃ | 32.05 | 临界密度,g/cm3 | 0.433 |
| 冰点(1atm),℃ | -103.5 | 沸点下蒸发潜热, kJ/kg | 223.0 |
| 密度(25℃),液体,g/cm3 | 1.227 | 蒸汽导热率(1atm,25℃), mw/mk | 8.3 |
| 蒸汽密度(空气=1) | 4.1 | 在水中溶解度(25℃), w% | 0.509 |
| 蒸汽压(25℃), MPa | 0.079 | 比热(25℃),液体,kJ/kg.℃ | 1.16 |
| 容积挥发率(20℃),% | 100 | 破坏臭氧潜能值(ODP) | 0.11 |
| 临界温度,℃ | 204.5 | 全球变暖系数值(GWP) | 0.09 |
R141b质量指标
| 指标名称 50% | 指标 |
| 外观 | 无色透明液体 |
| 纯度, % | ≥ 99.8 |
| 水分, mg/kg | ≤ 50 |
| 酸度 ( 以 HCl 计 ), mg/kg | ≤ 1.0 |
| 蒸发残渣， mg/kg | ≤ 100 |
| 偏氯乙烯 + 二氯乙炔, mg/kg | ≤ 100 |
产品名称: 1-氟-1,1-二氣乙烷(HCFC-141b)
分子式: CHsCClF
平均相对分子量: 116.95
产品标准: GB/T 18827-2002
产品用途: HCFC-141b可替代CFC-11用于硬质聚氨酯(PU)泡沫塑料的发泡剂，替代CFC-113作清洗剂，还可用于制冷剂。
理化性质:沸点(1atm)，C32.05;密度(25'C)液体g/cm31 .227;破坏臭氧潜能值(ODP):0.11:全球变暖系数值(GWP):0.09，
包装与储运:本产品用专用锅瓶或贮槽(槽车)装运,应贮存在阴凉干燥的地方,不得靠近热源,严禁日晒雨淋.贮运应符合中华
人民共和国铁路、公路运输相关规定。
包装规格: 30LB/13.6k9- -次性钢瓶:250kg/200钢桶.25MT运输槽。
Product name: 1,1-Dichor-1-fluoroethane( R141b ) Molecular Formula: CHsCClF
Relative Molecule Mass: 116.95 Standard Campliance: GB/T18827-2002
Application: HCFC-141b can be used as foaming agent for rigid polyurethane (PU) foam instead of CFC-11. HCFC-141b can replace CFC-113
as cleaning agent and can also be used as refrigerant.
Physical and chemical properties: ( 1atm ) ,32.05'C;Density:1.227g/cm3 at 25'C.lts ODP value is 0.11,and its GWP value is 0.09.
Storage & transportation: The product is packed in appropriate cylinders or tanks(or tank cars). It is to be kept in cool and dry place,
without being exposed to heat source, sunlight and raining. It is to comply with the regulations of railway and road transportation issued by
Chinese government concerning hazardous cargo.
Packing specifications: 30L B/13.6kg. disposable cylinder; 250kg/200L drum, 25MT transport tank.
技术参数Technical specification
项目
指标
ltem
Index
1-氟-1.1-二氯乙烷(Purity),w/% 2
99.5
偏二氯乙烯和二氯乙炔, w /%
Vinglidene chloride & Dichioro acetylene
0. 02
水分(Moisture), w/%≤
0.005
酸度(以HCI计)( Acidity)， w/%
≤
0.0001
蒸发残留物(Evaporated residue), w/%
0.01
