• DL-乳酸 [598-82-3]

  • 英文名:DL-Lactic acid
  • 别名:DL-乳酸丙烯酸 DL-Α-羟基丙酸
  • CAS号:598-82-3 分子式:C3H6O3 分子量:90.08
P30984-500ml DL-乳酸 [598-82-3] ACS 500ml 151.00 促销价:105.70
P30985-500ml DL-乳酸 [598-82-3] AR 500ml 63.00 促销价:44.10
P30988-100ml DL-乳酸 [598-82-3] AR 100ml 40.00 促销价:28.00
P30989-5ml DL-乳酸 [598-82-3] GCS 5ml 54.00 促销价:37.80
P30987-500ml DL-乳酸 [598-82-3] GR 500ml 70.00 促销价:49.00
P30989-100ml DL-乳酸 [598-82-3] GR 100ml 45.00 促销价:31.50
P30980-500ml DL-乳酸 [598-82-3] HPLC 500ml 174.00 促销价:121.80
P30988-500g DL-乳酸 [598-82-3] 药用级 500g 65.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P30984-500ml DL-乳酸 [598-82-3] ACS 500ml 151.00 105.70 登录可见
P30984-500ml DL-乳酸 [598-82-3] ACS 500ml 151.00 促销价:105.70
P30985-500ml DL-乳酸 [598-82-3] AR 500ml 63.00 44.10 登录可见
P30985-500ml DL-乳酸 [598-82-3] AR 500ml 63.00 促销价:44.10
P30988-100ml DL-乳酸 [598-82-3] AR 100ml 40.00 28.00 登录可见
P30988-100ml DL-乳酸 [598-82-3] AR 100ml 40.00 促销价:28.00
P30989-5ml DL-乳酸 [598-82-3] GCS 5ml 54.00 37.80 登录可见
P30989-5ml DL-乳酸 [598-82-3] GCS 5ml 54.00 促销价:37.80
P30987-500ml DL-乳酸 [598-82-3] GR 500ml 70.00 49.00 登录可见
P30987-500ml DL-乳酸 [598-82-3] GR 500ml 70.00 促销价:49.00
P30989-100ml DL-乳酸 [598-82-3] GR 100ml 45.00 31.50 登录可见
P30989-100ml DL-乳酸 [598-82-3] GR 100ml 45.00 促销价:31.50
P30980-500ml DL-乳酸 [598-82-3] HPLC 500ml 174.00 121.80 登录可见
P30980-500ml DL-乳酸 [598-82-3] HPLC 500ml 174.00 促销价:121.80
P30988-500g DL-乳酸 [598-82-3] 药用级 500g 65.00 65.00 登录可见
P30988-500g DL-乳酸 [598-82-3] 药用级 500g 65.00
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

无色或微黄色稍具吸潮性的稠厚澄清液体,能与水、醇和甘油任意混和,几乎不溶于氯仿、石油醚和二硫化碳。 密度:1.209 熔点: 18℃ 沸点: 122℃/15 mmHg 折光率n20/D: 1.4252-1.4272 闪点:113 °C

质量标准

  

Q/(HG)SJ 122-91
项目Item                                                                 分析纯    化学纯
                                                                                  (AR)       (CP)
含量(C3H6O3)Assay,%                                      85-90%    85-90%
灼烧残渣Ignition residue,%                               ≤0.02   0.05 
与水混合试验Miscibility with water                       合格      合格
与醚混合试验Miscibility with ether                       合格      合格
氯化物(Cl)Chloride,%                                          ≤0.002     0.005
硫酸盐(SO4)Sulfate,%                                         ≤0.005     0.01
铁(Fe)Iron,%                                                        ≤0.001     0.002
重金属(以Pb计)Heavy metals,%                           ≤0.0005    0.001
醛Aldehyde                                                              合格      合格
硫酸试验Substances darkened by sulfuric acid 合格      合格      


ACS级
项目名称Item                                                          ACS Grade
含量(CH3CHOHCOOH)Assay                                 85.0-90.0%
易炭化物质Substances darkened by sulfuric acid         Passes test
灼烧残渣Residue after ignition                               ≤0.02%
氯化物(Cl)Chloride(Cl)                                             ≤0.001%
硫酸盐(SO4)Sulfate                                                  ≤0.002%
重金属(以Pb计)Heavy metals(as Pb)                      ≤5ppm
铁(Fe)Iron(Fe)                                                        ≤5ppm

项目名称Item                                           药用级
                                                       (USP、Ph Eur)
鉴别试验Identity                                       Pass
含量Assay                                              88.0 - 92.0 %
比旋光度Specific rotation [a]20/D                      -0.05 - 0.05 °
灼烧残渣Residue on ignition (Ash)                      ≤0.05 %
氯化物试验ChlorideTest                                 Pass
硫酸盐Sulfate                                          Pass
重金属Heavy Metal                                      ≤0.001 %
USP标准试验 USP Testing Specifications                 Meets current specifications
溶剂残留USP467Residual Solvents USP 467                Meets Requirements

  

危险性质

危险品标志  Xi
WGK Germany  2
RTECS号 OD2800000
F  3
危险类别码  38-41
安全说明  26-39

  

用途及存储

食品的酸素及香料,防腐剂,制备乳酸盐,增塑剂,络合滴定分析、镁和铝,测血浆中二氧化碳结合力用,测定铜和锌

  密封干燥保存。