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CAS: 108-19-0
分子式: C2H5N3O2
分子量: 103.08
沸点: 100 °C
熔点: 185-190℃
中文名称: 
氨基甲酰脲
缩二脲
亚氨基二碳酸二酰胺
缩二脲(分析纯)
氨缩脲
英文名称: 
Imidodicarbonic diamide
Biuret
allophanamide
allophanic acid amide
allophanimidic acid
carbamoylurea
carbamylurea
Biuret(AR)
dicarbamylamine
isobiuret
(aminocarbonyl)-ure
ureidoformamide
Allophamic acid amide
μ-imido-dicarbonic acid diamide
展开更多英文名
性质描述: 白色长片结晶体。熔点190℃(分解),相对密度1.467(-5/4℃)。水中结晶体含4分子结晶水,在约110℃时失水。易溶于醇,极微溶于醚。
生产方法: 将尿素、水、磷酸氢二钠混匀,加热溶解。升温至150-160℃,保温2h。反应毕,将反应物倾入水中,放置过夜,滤出结晶为粗品,经稀氨水重结晶,得成品缩二脲。在尿素生产中,以中间尿液为原料,经高温热缩、分离、干燥即为成品。
用途: 用于反刍动物饲料中,与尿素作为饲料添加剂一样,但比尿素安全。
推荐供应商
货号品牌产品名称规格包装、参考价格详情
B802855MACKLIN缩二脲试剂级, 98%63元/25g;   210元/100g;   635元/500g;   2796元/2.5kg;   展开
储存:室温
状态:白色粉末或晶体
768073MACKLIN缩二脲≥98%, contains ca. 10% Triuret171元/100g;   展开
储存:室温
B6020MACKLIN缩二脲99%生物技术级74元/25g;   232元/100g;   879元/500g;   2880元/2.5kg;   展开
储存:室温
B0513TCIBiuret (contains ca. 10% Triuret)>98.0%(N)395元/25G;   785元/100G;   3060元/500G;   展开

基本信息

纯度/分析方法>98.0%(N)
分子式/分子量C2H5N3O2 = 103.08
外观与形状(20℃)固体
储存在惰性气体下存放于惰性气体之中
应避免的情况湿气 (吸湿)
Reaxys-RN1703510
PubChem物质ID87563537
SDBS (AIST Spectral DB)1963
Merck Index (14)1309
MDL编号MFCD00007946

技术规格

AppearanceWhite to Almost white powder to crystal
Purity(with Total Nitrogen)min. 98.0 %
Triuretmax. 10.0 w/w%

物性(参考值)

熔点193 ℃(dec.)
水溶性微溶
在水中的溶解度20 g/l   25 ℃
溶解性(可溶于)丙酮,乙醇
溶解度(极微溶)乙醚

安全信息

图形或危害标志
信号词警告
危险性说明H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
防范说明P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染:用水充分清洗。
P337 + P313 : 如仍觉眼刺激:求医/就诊。
P305 + P351 + P338 : 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服,清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激:求医/就诊。
B3228TCIBiuret [for Fertilizer Analysis]>98.0%(N)525元/1G;   展开

基本信息

纯度/分析方法>98.0%(N)
分子式/分子量C2H5N3O2 = 103.08
外观与形状(20℃)固体
储存在惰性气体下存放于惰性气体之中
应避免的情况湿气 (吸湿)
Reaxys-RN1703510
PubChem物质ID87560558
SDBS (AIST Spectral DB)1963
Merck Index (14)1309
MDL编号MFCD00007946

技术规格

AppearanceWhite to Almost white powder to crystal
Purity(with Total Nitrogen)min. 98.0 %

物性(参考值)

熔点193 ℃(dec.)
水溶性微溶
在水中的溶解度20 g/l   25 ℃
溶解性(可溶于)丙酮,乙醇
溶解度(极微溶)乙醚

安全信息

图形或危害标志
信号词警告
危险性说明H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
防范说明P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染:用水充分清洗。
P337 + P313 : 如仍觉眼刺激:求医/就诊。
P305 + P351 + P338 : 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服,清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激:求医/就诊。
571211J&KBiuret97%62元/5G;   204元/25G;   673元/100G;   1727元/500G;   展开

基本信息

分子式C2H5N3O2
分子量103.08
熔点185-190
MDL编码MFCD00007946
Beilstein1703510
Merck14,1309
EINECS 编号203-559-0

安全信息

图形或危害标志
提示语Warning
危险说明H315
H319
H335
防范说明P261
P305+P351+P338
WGK3
TSCA
L00812Alfa AesarBiuret97%467元/25g;   1351元/100g;   5309元/500g;   展开

应用
Biuret is used in protein assay. It is also used as Catalytic agent, Petrochemical additive. It is used in organic synthesis. Biuret (Carbamoylurea) was used as a source of dietary nitrogen in purified diets for steers.

备注
Hygroscopic. Incompatible with strong oxidizing agents, strong bases.

基本信息

MDL
MFCD00007946

EINECS
203-559-0

分子式
C2H5N3O2

分子量
103.08

熔点
ca 189° dec.

密度
1.46

灵敏度
Ambient temperatures.

形态
Crystalline powder

溶解性
Soluble in methanol. Partially soluble in cold water, diethyl ether.

Beilstein
1703510

Merck
14,1309

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste

TSCA

C10652Alfa AesarBiuret97%, extra pure345元/5g;   963元/25g;   2660元/100g;   展开

基本信息

Ref#
10652

MDL
7946

分子式
C2 H5 N3 O2

分子量
103.08

形态
Powder

15270Sigma-AldrichBiuret98% (Contains ≤10%(w/w) Triuret)930.92元/25 G;   2394.67元/100 G;   展开

产品说明

应用

缩二脲(Carbamoylurea)用作纯化日粮中的膳食氮源。

包装

25, 100 g in poly bottle

基本信息

线性分子式NH2CONHCONH2
分子量103.08
Beilstein1703510
EC 号203-559-0
MDL编号MFCD00007946
PubChem化学物质编号57647348

产品性质

质量水平100
测定98% (Contains ≤10%(w/w) Triuret)
形式powder or crystals
杂质≤1% water
mp185-190 ℃ (dec.) (lit.)
SMILES stringNC(=O)NC(N)=O
InChI1S/C2H5N3O2/c3-1(6)5-2(4)7/h(H5,3,4,5,6,7)
InChI keyOHJMTUPIZMNBFR-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
1706712USPUrea Related Compound AUnited States Pharmacopeia (USP) Reference Standard9755.4元/15 MG;   展开

产品说明

一般描述

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

分析说明

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

其他说明

USP issued SDS can be found here.
Sales restrictions may apply.

基本信息

线性分子式NH2CONHCONH2
分子量103.08
Beilstein1703510
MDL编号MFCD00007946
PubChem化学物质编号329751463
NACRESNA.24

产品性质

等级pharmaceutical primary standard
manufacturer/tradenameUSP
mp185-190 ℃ (dec.) (lit.)
格式neat
储存温度2-8℃
SMILES stringNC(=O)NC(N)=O
InChI1S/C2H5N3O2/c3-1(6)5-2(4)7/h(H5,3,4,5,6,7)
InChI keyOHJMTUPIZMNBFR-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
PHR2603SupelcoUrea Related Compound A3065.6元/30 mg;   展开

产品说明

一般描述

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

分析说明

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

其他说明

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

基本信息

线性分子式NH2CONHCONH2
分子量103.08
Beilstein1703510
MDL编号MFCD00007946

产品性质

等级certified reference material
pharmaceutical secondary standard
描述Pharmaceutical Secondary Standard; Certified Reference Material
形式solid
CofAcurrent certificate can be downloaded
包装pkg of 30 mg
mp185-190 ℃ (dec.) (lit.)
药典可追溯性traceable to USP 1706712
储存温度2-8℃
SMILES stringNC(=O)NC(N)=O
InChI1S/C2H5N3O2/c3-1(6)5-2(4)7/h(H5,3,4,5,6,7)
InChI keyOHJMTUPIZMNBFR-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
476886FluorochemBiuret95+%528元/25g;   858元/100g;   1430元/250g;   4268元/1kg;   展开

基本信息

CAS Number108-19-0
MDL NumberMFCD00007946
Melting Point182-197 ℃

安全信息

图形或危害标志
危险性说明 H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
防范说明 P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
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