供应乙酸乙酯
乙酸乙酯    规格:  99.5％          产地:德国            包装:  200kg/桶        价格:6500元/吨

乙酸乙酯

Ethylacetate

CAS号：141-78-6    MDL号：MFCD00009171    

分子量：88.11    EINECS号：  205-500-4  

分子式：C4H8O2；CH3COOC2H5    分子结构:

别名：  穀醇;乙酸乙脂;乙酸乙醚;变性乙醇;变性酒精;醋酸乙酯;醋酸乙醚;甜菜糖蜜滓;甲基化乙醇  

化学性质：无色透明液,  有水果香，易挥发,  对空气敏感,  能吸水分，水分能使其缓慢分解而呈酸性反应。能与氯仿、醇、丙酮和醚混溶，溶于水（10%ml/ml)。能溶解某些金属盐类（如氯化锂、氯化钴、氯化锌、氯化铁等。易燃。蒸气能与空气形成性混合物。

折射率    n20/D  1.3720(lit.)

FEMA    2414  

闪点    26  °F

储存条件    2-8°C  

水溶解性    80  g/L  (20  ºC)  

Merck    14,3757  

BRN    506104  

熔点    ?84  °C(lit.)

沸点    76.5-77.5  °C(lit.)

密度    0.902  g/mL  at  25  °C(lit.)  

vapor  density    3  (20  °C,  vs  air)

vapor  pressure    73  mm  Hg  (  20  °C)

质量标准

1.  AR  2.  GR  3.  EP  4.  GCS  5.  HPLC

项目品名                                  指标                                          分析方法

酯含量  %  ≥                            99.5                                          气相色谱分析

酸度(以乙酸计)  %  ≤            0.004                                        GB/T  12717

水份  %  ≤                                0.10                                          GB  6283

密度  g/cm3                              0.897-0.902                            GB  4472

蒸发残渣  %  ≤                        0.001                                        GB  6324

色泽(铂-钴)  ≤                      10                                              GB  3143

GB/T  12589-90

项目Item                                                                                                                            分析纯                              化学纯

                                                                                                                                                                  (AR)                              (CP)

含量(C4H8O2)Assay,%                                                                                      99.0                            97.0

密度(20℃)Density,g/mL                                                                              0.899-0.901    0.897-0.901

色度Color，黑曾单位                                                                                      ≤  10                              20

蒸发残渣Evaporation  residue,%                                                ≤  0.0005                  0.001

水份(H2O)Water,%                                                                                              ≤  0.1                              0.4

酸度(以H+计)Acidity,mmol/100g                                                ≤  0.08                          0.08

甲醇(以CH3OH计)Methanol,%                                                        ≤  0.1                              0.2

乙醇(CH3CH2OH)Ethanol,%                                                                  ≤  0.2                                  0.5

乙酸甲酯(CH3COOCH3)Methyl  formate,%                    ≤  0.1                            0.3

易炭化物质Readily  carbonizable  substances          合格                              合格

用途：环保、农药残留量分析。有机合成。香料制造。

广泛用于油墨、胶粘剂、人造革的生产中，也是制药和有机酸的萃取剂，还用作清漆、香料的组分  

可用于溶解硝化纤维素、油墨、油脂等，亦可用于造漆、人造革、塑料制品、染料、药物和香料等的原料  

制造染料、药物和香料的原料。乙酸乙酯是许多类树脂的高效溶剂，广泛应用于油墨、人造革生产中。  

用作分析试剂、色谱分析标准物质及溶剂

危险性质

危险品标志                                                                                F,Xi,Xn,T  

危险类别码                                                                                11-36-66-67-20/21/22-10-39/23/24/25-23/24/25-68/20/21/22  

安全说明                                                                                        16-26-33-36/37-45-7  

危险品运输编号                                                                  UN  1173  3/PG  2

WGK  Germany                                                                    1

RTECS                                                                                                AH5425000

F                                                                                                                    1  

HazardClass                                                                        3  

PackingGroup                                                                      II

储存方式：密封保存