1,3-二甲基脲

1,3-二甲基脲
IUPAC名
N,N′-Dimethylurea
识别
CAS号 96-31-1  checkY
PubChem 7293
ChemSpider 7021
SMILES
 
  • CNC(=O)NC
ChEBI 80472
RTECS YS9868000
KEGG C16364
MeSH 1,3-dimethylurea
性质
化学式 C3H8N2O
摩尔质量 88.11 g·mol−1
外观 Colorless, waxy crystals
氣味 Odorless
密度 1.142 g mL−1
熔点 104 °C（377.5 K）
沸点 269 °C（542.2 K）
溶解性（水） 765 g L−1
磁化率 -55.1·10−6 cm3/mol
热力学
ΔfHm⦵298K −312.1–−312.1 kJ mol−1
ΔcHm⦵ −2.0145–−2.0089 MJ mol−1
危险性
H-术语 H373
P-术语 P260, P314, P501
致死量或浓度：
LD50（中位剂量）
 4 g kg−1 (oral, rat)
相关物质
相关化合物 Carmustine
相关化学品
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

1,3-二甲基脲（英語：1,3-Dimethylurea，或称为：N,N'-二甲基脲）是一种含氮有机化合物，分子式C3H8N2O，属尿素衍生物，常温常压下为无色结晶粉末，用于合成咖啡因、茶碱等[1]。

参考文献

  1. ^ http://www.inchem.org/documents/sids/sids/96311.pdf 互联网档案馆的存檔，存档日期2015-09-24. SIDS Initial Assessment Report

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