1,3-二甲基脲（CAS 96-31-1）：分子式 C3H8N2O、分子量 88.11。
| CAS号 | 96-31-1 |
|---|---|
| 分子式 | C3H8N2O |
| 分子量 | 88.11 |
| 熔点 | 226 °F (NTP, 1992) |
| 沸点 | 514 to 518 °F at 760 mmHg (NTP, 1992) |
| LogP | -0.5 |
| 应用领域 | Uses: Used in pharmaceutical manufacturing、[Hawley] Used as an intermediate to make caffeine、pharmachemicals、textile aids、herbicides、paints、and cleaning products、[OECD SIDS: 1、3-Dimethylurea - 2003]、Industry Uses: Not Known or Reasonably Ascertainable、Intermediate、Household Products: Information on 2 consumer products that contain Dimethyl Urea in the following categories is provided:、• Personal Care、Formulations、Preparations: PREPN FOR INCR HAIR BODY BY PERMANENTLY SWELLING THE HAIR SHAFT WITH LESS LOSS OF TENSILE STRENGTH THEN WITH USUAL PREPARATIONS CONTAINING SOLN OF SYNTHETIC AMPHOTERIC DETERGENT、A BISULFITE、N、N'-DIMETHYLUREA、A CATIONIC CONDITIONER & AN ALCOHOL OR GLYCOL.、U.S. Production: 2023: 31、790 lb、2021: <75、000 lb、2020: <75、General Manufacturing Information: Not Known or Reasonably Ascertainable、All Other Basic Organic Chemical Manufacturing、Urea、N'-dimethyl-: ACTIVE |
登记用途：Uses: Used in pharmaceutical manufacturing、[Hawley] Used as an intermediate to make caffeine、pharmachemicals、textile aids、herbicides、paints、and cleaning products、[OECD SIDS: 1、3-Dimethylurea - 2003]、Industry Uses: Not Known or Reasonably Ascertainable、Intermediate、Household Products: Information on 2 consumer products that contain Dimethyl Urea in the following categories is provided:、• Personal Care、Formulations、Preparations: PREPN FOR INCR HAIR BODY BY PERMANENTLY SWELLING THE HAIR SHAFT WITH LESS LOSS OF TENSILE STRENGTH THEN WITH USUAL PREPARATIONS CONTAINING SOLN OF SYNTHETIC AMPHOTERIC DETERGENT、A BISULFITE、N、N'-DIMETHYLUREA、A CATIONIC CONDITIONER & AN ALCOHOL OR GLYCOL.、U.S. Production: 2023: 31、790 lb、2021: <75、000 lb、2020: <75、General Manufacturing Information: Not Known or Reasonably Ascertainable、All Other Basic Organic Chemical Manufacturing、Urea、N'-dimethyl-: ACTIVE。
1,3-二甲基脲 是一种化工化合物，登记 CAS 号为 96-31-1，分子式 C3H8N2O（分子量 88.11）。
登记 CAS 号：96-31-1
其分子式 C3H8N2O 由 3 个碳、8 个氢、2 个氮、1 个氧 组成。
别名/同义词：1,3-二甲基脲 · 1,3-Dimethylurea
1,3-二甲基脲 的 CAS 登记号为 96-31-1。
分子式 C3H8N2O，分子量 88.11。
别名/同义词：1,3-二甲基脲、1,3-Dimethylurea。
登记用途：Uses: Used in pharmaceutical manufacturing、[Hawley] Used as an intermediate to make caffeine、pharmachemicals、textile aids、herbicides、paints、and cleaning products、[OECD SIDS: 1、3-Dimethylurea - 2003]、Industry Uses: Not Known or Reasonably Ascertainable、Intermediate、Household Products: Information on 2 consumer products that contain Dimethyl Urea in the following categories is provided:、• Personal Care、Formulations、Preparations: PREPN FOR INCR HAIR BODY BY PERMANENTLY SWELLING THE HAIR SHAFT WITH LESS LOSS OF TENSILE STRENGTH THEN WITH USUAL PREPARATIONS CONTAINING SOLN OF SYNTHETIC AMPHOTERIC DETERGENT、A BISULFITE、N、N'-DIMETHYLUREA、A CATIONIC CONDITIONER & AN ALCOHOL OR GLYCOL.、U.S. Production: 2023: 31、790 lb、2021: <75、000 lb、2020: <75、General Manufacturing Information: Not Known or Reasonably Ascertainable、All Other Basic Organic Chemical Manufacturing、Urea、N'-dimethyl-: ACTIVE。
1,3-二甲基脲（CAS 96-31-1）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 96-31-1 |
|---|---|
| PubChem CID | 7293 |
| Molecular formula | C3H8N2O |
| IUPAC name | 1,3-dimethylurea |
| UNII (FDA) | WAM6DR9I4X |
| Molecular Weight | 88.11 |
|---|---|
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 88.063662883 |
| Monoisotopic Mass | 88.063662883 |
| Topological Polar Surface Area | 41.1 |
| Heavy Atom Count | 6 |
| Boiling Point | 514 to 518 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 268-270 °C |
| Boiling Point | 269.00 °C. @ 760.00 mm Hg |
| Melting Point | 226 °F (NTP, 1992) |
| Melting Point | 108 °C |
| Melting Point | 108.00 °C. @ 760.00 mm Hg |
| Melting Point | 102-107 °C |
| Flash Point | 154 °C |
| Density | 1.142 |
| Density | 1.1 g/cm³ |
1,3-DIMETHYLUREA; N,N'-Dimethylurea; 96-31-1; sym-Dimethylurea; Urea, N,N'-dimethyl-; Symmetric dimethylurea; Urea, 1,3-dimethyl-; N,N'-Dimethylharnstoff; DTXSID5025156; WAM6DR9I4X; NSC-14910; DTXCID605156; CHEBI:80472; RefChem:72748; 202-498-7; Dimethylurea
| GHS notification summary | 98.8% (169 / 171) |
|---|
| GHS notification summary | 98.8% (169 / 171) |
|---|---|
| Reported hazard statements | H373 |
This chemical does not meet GHS hazard criteria for 98.8% (169 of 171) of all reports.
Reported as not meeting GHS hazard criteria by 169 of 171 companies (only 1.2% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
1,3-Dimethylurea · CAS 96-31-1 · C3H8N2O. UNII WAM6DR9I4X. Boiling Point: 514 to 518 °F at 760 mmHg (NTP, 1992); Boiling Point: 268-270 °C; Boiling Point: 269.00 °C. @ 760.00 mm Hg.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 1,3-Dimethylurea