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N-1H-Benzimidazol-2-ylurea

HCID 32346
NotesReactions
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
24370-25-0
Standard SMILES
NC(=O)Nc1nc2ccccc2[nH]1
InChIKey
LNYZEFQMIURYEI-UHFFFAOYSA-N
Molecular formula
C8H8N4O
Average molar mass
176.18 g/mol
Monoisotopic mass
176.06981089

Overview

2-benzimidazolylurea is a beige solid. (NTP, 1992)

Names & identifiers

Preferred name
N-1H-Benzimidazol-2-ylurea
IUPAC
1H-benzimidazol-2-ylurea
English name
2-Benzimidazolylurea
Molecular formula
C8H8N4O
Molecular weight
176.18

Names & synonyms

2-Benzimidazolylurea24370-25-0Benzimidazol-2-ylurea2-Benzimidazoleurea2-UreidobenzimidazoleUrea, 1H-benzimidazol-2-yl-Urea, (2-benzimidazolyl)-DTXSID3024574Y7B0YQ5TBDNSC-84166DTXCID104574RefChem:465535
Show more names
(2-benzimidazolyl)-ureEmedastine Impurity 152-Benzimidazolylurea,97%
2-BZIUN-1H-benzimidazol-2-ylurea246-209-21H-Benzimidazol-2-ylureaCCRIS 5968EINECS 246-209-2UNII-Y7B0YQ5TBDNSC 84166

Database identifiers

CAS
24370-25-0
PubChem CID
32346
DTXSID
DTXSID3024574
ChEMBL
CHEMBL1576153
UNII
Y7B0YQ5TBD
EC Number
246-209-2
Nikkaji
J49.070I

Properties

Computed structural properties

XLogP
0.5
Topological polar surface area
83.8 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
2
Rotatable bonds
1
Heavy atoms
13
Formal charge
0
Complexity
208

Experimental & physicochemical properties

Solubilityless than 1 mg/mL at 73 °F (NTP, 1992)
Melting Pointgreater than 572 °F (NTP, 1992)
Physical Description2-benzimidazolylurea is a beige solid. (NTP, 1992)

Physicochemical properties

Melting point
300 °C · >300 °C(lit.)
Density
1.527 · 1.527±0.06 g/cm3(Predicted)
pka
11.01 · 11.01±0.10(Predicted)
form
powder
InChI
1S/C8H8N4O/c9-7(13)12-8-10-5-3-1-2-4-6(5)11-8/h1-4H,(H4,9,10,11,12,13)
InChIKey
LNYZEFQMIURYEI-UHFFFAOYSA-N
SMILES
NC(=O)Nc1nc2ccccc2[nH]1
EWG's Food Scores
1 · 1
FDA UNII
7 B0YQ5TBD · Y7B0YQ5TBD
EPA Substance Registry System
2 · 2-Benzimidazolylurea (24370-25-0)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Hazard information

Fire HazardsFlash point data for this chemical are not available. It is probably combustible. (NTP, 1992)
Health HazardsACUTE/CHRONIC HAZARDS: When heated to decomposition this compound emits toxic fumes. (NTP, 1992)
Reactive GroupAmides and Imides
Reactivity Profile · 1 item

Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides.

Air and Water ReactionsInsoluble in water.

Safety & protection

Fire FightingFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
First Aid · 1 item

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Nonfire Spill Response · 1 item

Chemistry & industry

Applications

General DescriptionBeige solid.

Suppliers9 total

西安美科生物科技有限公司029-18710438009 18710438009 · [email protected]
上海瀚鸿科技股份有限公司021-54306202 13764082696 · [email protected]
Sigma-Aldrich西格玛奥德里奇(上海)贸易有限公司021-61415566 800-8193336 · [email protected]
石家庄瑞田生化有限公司15831127780 · [email protected]
湖北扬信医药科技有限公司07143299675 13092790750 · [email protected]
湖北扬信医药科技有限公司15374522761 · [email protected]
Shaanxi Didu New Materials Co. Ltd+86-86-17392712779 +86-13289823923 · [email protected]
陕西缔都医药化工有限公司029-029-029-81148696 18161915376 · [email protected]
DAYANG CHEM (HANGZHOU) CO.,LTD+86-88938639 +86-17705817739 · [email protected]

Related reactions

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
PPE
95 · Eyeshields, Gloves, type N95 (US)
WGK Germany
3 · 3
RTECS
8942000 · YR8942000
Storage Class
13 · 13 - Non Combustible Solids

SMALL SPILLS AND LEAKAGE: If you spill this chemical, FIRST REMOVE ALL SOURCES OF IGNITION, then dampen the solid spill material with toluene, then transfer the dampened material to a suitable container. Use absorbent paper dampened with toluene to pick up any remaining material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent-wash all contaminated surfaces with toluene followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Personal Protective Equipment (PPE) · 1 item

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)

Safety data

PPE
Eyeshields, Gloves, type N95 (US)
wgk
3
rtecs
YR8942000
Storage Class
13 - Non Combustible Solids