二氯甲烷 [75-09-2]
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英文名:Dichloromethane
- 别名:甲叉二氯 甲撑氯 氯化次甲基 亚甲基二氯 亚甲基氯
- CAS号:75-09-2 分子式:CH2CL2 分子量:84.93
T106030-500ml 二氯甲烷 [75-09-2] AR 500ml 58.00 促销价:36.54
T106031-5ml 二氯甲烷 [75-09-2] for GC,≥99.8% 500ml 128.00 促销价:93.44
T106034-500ml 二氯甲烷 [75-09-2] for GC,≥99.8% 2.5L 442.00 促销价:322.66
T106035-500ml 二氯甲烷 [75-09-2] HPLC级,≥99.9% 500ml 171.00 促销价:124.83
T106037-500ml 二氯甲烷 [75-09-2] HPLC级,≥99.9% 4L 514.00 促销价:375.22
T106039-2ml 二氯甲烷 [75-09-2] HPLC级,≥99.9% 4X4L 1571.00 促销价:1146.83
T106036-500ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) 500ml 250.00 促销价:157.50
T106033-500ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) 100ml 146.00 促销价:91.98
T106031-100ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) 1L 446.00 促销价:280.98
T106037-5ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,with molecular sieves, Water≤50 ppm (by K.F.) 500ml 233.00 促销价:146.79
T106035-100ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,with molecular sieves, Water≤50 ppm (by K.F.) 100ml 133.00 促销价:83.79
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
T106038-500ml | 二氯甲烷 [75-09-2] | 99.5% | 500ml | 76.00 | 53.20 | 登录可见 |
T106038-500ml 二氯甲烷 [75-09-2] 99.5% 500ml 76.00 促销价:53.20
|
T106030-500ml | 二氯甲烷 [75-09-2] | AR | 500ml | 58.00 | 36.54 | 登录可见 |
T106030-500ml 二氯甲烷 [75-09-2] AR 500ml 58.00 促销价:36.54
|
T106031-5ml | 二氯甲烷 [75-09-2] | for GC,≥99.8% | 500ml | 128.00 | 93.44 | 登录可见 |
T106031-5ml 二氯甲烷 [75-09-2] for GC,≥99.8% 500ml 128.00 促销价:93.44
|
T106034-500ml | 二氯甲烷 [75-09-2] | for GC,≥99.8% | 2.5L | 442.00 | 322.66 | 登录可见 |
T106034-500ml 二氯甲烷 [75-09-2] for GC,≥99.8% 2.5L 442.00 促销价:322.66
|
T106035-500ml | 二氯甲烷 [75-09-2] | HPLC级,≥99.9% | 500ml | 171.00 | 124.83 | 登录可见 |
T106035-500ml 二氯甲烷 [75-09-2] HPLC级,≥99.9% 500ml 171.00 促销价:124.83
|
T106037-500ml | 二氯甲烷 [75-09-2] | HPLC级,≥99.9% | 4L | 514.00 | 375.22 | 登录可见 |
T106037-500ml 二氯甲烷 [75-09-2] HPLC级,≥99.9% 4L 514.00 促销价:375.22
|
T106039-2ml | 二氯甲烷 [75-09-2] | HPLC级,≥99.9% | 4X4L | 1571.00 | 1146.83 | 登录可见 |
T106039-2ml 二氯甲烷 [75-09-2] HPLC级,≥99.9% 4X4L 1571.00 促销价:1146.83
|
T106036-500ml | 二氯甲烷 [75-09-2] | 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) | 500ml | 250.00 | 157.50 | 登录可见 |
T106036-500ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) 500ml 250.00 促销价:157.50
|
T106033-500ml | 二氯甲烷 [75-09-2] | 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) | 100ml | 146.00 | 91.98 | 登录可见 |
T106033-500ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) 100ml 146.00 促销价:91.98
|
T106031-100ml | 二氯甲烷 [75-09-2] | 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) | 1L | 446.00 | 280.98 | 登录可见 |
T106031-100ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,stabilized with Amylene, Water≤50 ppm (by K.F.) 1L 446.00 促销价:280.98
|
T106037-5ml | 二氯甲烷 [75-09-2] | 二氯甲烷, 99.9%,with molecular sieves, Water≤50 ppm (by K.F.) | 500ml | 233.00 | 146.79 | 登录可见 |
T106037-5ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,with molecular sieves, Water≤50 ppm (by K.F.) 500ml 233.00 促销价:146.79
|
T106035-100ml | 二氯甲烷 [75-09-2] | 二氯甲烷, 99.9%,with molecular sieves, Water≤50 ppm (by K.F.) | 100ml | 133.00 | 83.79 | 登录可见 |
T106035-100ml 二氯甲烷 [75-09-2] 二氯甲烷, 99.9%,with molecular sieves, Water≤50 ppm (by K.F.) 100ml 133.00 促销价:83.79
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化学性质
质量标准
GB/T 16983-1997
品级Grade 超干级
dried (max. 0.004% H2O)
Purity (GC) ≥ 99.9 %
Identity (IR) conforms
Colour ≤ 10 Hazen
Acidity ≤ 0.0005 meq/g
Alkalinity ≤ 0.0002 meq/g
Chloroform (GC) ≤ 0.01 %
Carbon tetrachloride (GC) ≤ 0.01 %
residue on evaporation ≤ 10 mg/l
Water ≤ 0.004 %
stabilizer 50ppm 2-Methyl-2-butene
项目Item 分析纯 化学纯
(AR) (CP)
含量(CH2Cl2)Assay,% ≥ 99.5 99.0
色度,黑曾单位Color ≤ 10 20
密度(20℃)Density,g/mL 1.320-1.330 1.320-1.330
蒸发残渣Evaporation residue,% ≤ 0.002 0.004
酸度(以H+计)Acidity,mmol/100mg ≤ 0.002 0.004
游离氯(Cl)Free chlorine,% ≤ 0.0001 0.0002
铁(Fe)Iron,% ≤ 0.0001 0.0002
水分(H2O)Water,% ≤ 0.05 0.10
品级Grade ACS级
(ACS reagent, ≥99.5%)
外观Appearance Colorless liquid
红外光谱鉴别Infrared spectrometry Conforms
含量(CH2Cl2)Assay ≥99.5%
色度,黑曾单位COLOR TEST ≤10 APHA
蒸发残渣Residue after evaporation ≤0.002%
可滴定酸Titrable acid ≤0.0003meq/g
游离卤素Free halogens Passes test
水分Water ≤0.02%
稳定剂stabilizer 50ppm amylene
品级Grade ACS级
(ACS reagent, ≥99.8% (GC), ≤0.001% water)
含量assay ≥99.8% (GC)
游离氯free chlorine (Cl) ≤0.00002%
甲醛formaldehyde ≤0.0005%
非蒸发物non volatile matter ≤0.0005%
游离酸free acid (as HCl) ≤0.001%
水分water ≤0.001% (Karl Fischer)
氯仿chloroform ≤0.01% (GC)
四氯化碳tetrachloromethane ≤0.01% (GC)
氯chloride (Cl-): ≤0.5 ppm
cation traces by ICP Atomic emission
Al: ≤0.5 ppm
B: ≤0.02 ppm
Ba: ≤1 ppm
Ca: ≤0.5 ppm
Cd: ≤0.05 ppm
Co: ≤0.02 ppm
Cr: ≤0.02 ppm
Cu: ≤0.02 ppm
Fe: ≤0.1 ppm
Mg: ≤0.1 ppm
Mn: ≤0.02 ppm
Ni: ≤0.02 ppm
Pb: ≤0.1 ppm
Sn: ≤0.1 ppm
Zn: ≤0.1 ppm
suitability complies for reaction against H2SO4
稳定剂stabilizer ~25 mg/L amylene
品级Grade 色谱纯
(for HPLC, ≥99.9%)
含量 ≥99.9%(GC)
色度 ≤10Hazen
外观 Colorless liquid
λ H2O reference
UV absorption
λ: 235 nm ≤1.0
λ: 240 nm ≤0.10
λ: 250 nm ≤0.02
λ: 300 nm ≤0.005
λ: 400 nm ≤0.005
游离酸(HCI) ≤0.001%
游离氯 合格
不挥发物 ≤0.001%
水分 ≤0.02%
稳定剂stabilizer 50-150 ppm amylene
品级Grade 农残级
(for residue analysis , ≥99.9%)
纯度Purity ≥99.9%(GC)
七氯环氧化物Heptachlor epoxide ≤10 ng/L
色度 ≤10Hazen
外观 Colorless liquid
蒸发残渣Residue after evaporation ≤0.0001%
不挥发物 ≤0.001%
水分 ≤0.01%(KF)
稳定剂stabilizer 50-150 ppm amylene
品级Grade 多肽合成级
(grade for peptide synthesis)
含量assay ≥99.9% (GC)
水分water ≤0.01%
多肽合成之胺试验amine test Pass
品级Grade 气相色谱级
(for gas chromatography,≥99.8%)
纯度Purity (GC) ≥ 99.8 %
红外光谱鉴别Identity (IR) conforms
蒸发残渣residue on evaporation ≤ 5.0 mg/l
水分Water ≤ 0.01 %
色度Colour ≤ 10 Hazen
GC/ECD (retention range 1,2,4-trichlorobenzene to decachlorobiphenyle individual signals (lindane standard)) ≤ 3 pg/ml
suitable for residue analysis Pass
品级Grade 光谱级
(for spectroscopy, ≥99.9% (GC))
纯度Purity (GC) ≥ 99.9 %
色度Color ≤ 10 Hazen
酸度Acidity ≤ 0.0005 meq/g
碱度Alkalinity ≤ 0.0002 meq/g
Fluorescence
as quinine at 254 nm ≤ 1 ppb
as quinine at 365 nm ≤ 1 ppb
透光度Transmission
at 235 nm ≥ 10 %
at 240 nm ≥ 50 %
at 245 nm ≥ 80 %
at 248 nm ≥ 90 %
from 255 nm ≥ 98 %
Evaporation residue ≤ 0.0005 %
Water ≤ 0.01 %
稳定剂stabilizer 50ppm 2-Methyl-2-butene
危险性质
类别 农药
毒性分级 中毒
危险品标志 Xn,T,F
危险类别码 40-39/23/24/25-23/24/25-11
安全说明 23-24/25-36/37-45-16-7
WGK Germany 2
RTECS号 PA8050000
F 3-10
Hazard Note Harmful
HazardClass 6.1
PackingGroup III
急性毒性 口服-大鼠 LD50: 1600 毫克/公斤; 腹腔-小鼠 LD50: 437 毫克/公斤
刺激数据 皮肤-兔子 810 毫克/24小时 重度; 眼睛-兔子500 毫克/24小时 轻度
爆炸物危险特性 与空气混合可爆; 与氧气混合可爆
可燃性危险特性 受高热放出光气;蒸气不燃
储运特性 库房通风低温干燥; 与氧化剂、硝酸分开存放
灭火剂 泡沫、二氧化碳、雾状水、黄砂。
职业标准 TWA 350 毫克/立方米;STEL 879 毫克/立方米
用途及存储
用途 二氯甲烷是杀菌剂腈菌唑和咪菌唑生产的原料,也是一种很好的溶剂。
用途 是不燃性低沸点溶剂,作醋酸纤维素成膜、气溶胶和抗菌素、维生素生产中的溶剂,也用作萃取剂、金属清洗剂等
用途 萃取溶剂。如用于萃取咖啡豆中的咖啡因。并用作酒花、香辛料油树脂等抽提溶剂。色素稀释剂。
用途 用作溶剂,也用于有机合成