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3,4-Diaminobenzoic acid

HCID 69263
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
619-05-6
Standard SMILES
Nc1ccc(C(=O)O)cc1N
InChIKey
HEMGYNNCNNODNX-UHFFFAOYSA-N
Molecular formula
C7H8N2O2
Average molar mass
152.15 g/mol
Monoisotopic mass
152.0585775

Overview

RN given refers to parent cpd

Names & identifiers

Preferred name
3,4-Diaminobenzoic acid
IUPAC
3,4-diaminobenzoic acid
English name
3,4-Diaminobenzoic acid
Molecular formula
C7H8N2O2
Molecular weight
152.15

Names & synonyms

3,4-Diaminobenzoic acid619-05-6Benzoic acid, 3,4-diamino-2H2G880K12DTXSID00210920RefChem:485830DTXCID30133411210-577-2MFCD000077264-Carboxy-o-phenylenediamine4-CarboxyphenyldiamineEINECS 210-577-2
Show more names
3,4-diaminobenzoate3,4-diaminebenzoic acidRARECHEM AL BO 0903TIMTEC-BB SBB0001113,4-Diaminobenzoesure4-DiaMinobenzoic acidBenzoicacid, 3,4-diaMino-3,4-DIAMINOBENZOIC ACID 98%
3,4 diaminobenzoic acid3,4-Diamino-benzoic acidOprea1_646993SCHEMBL771864-carboxy-1,2-diaminobenzeneCS-D1364BBL010301AC-2482

Database identifiers

CAS
619-05-6
PubChem CID
69263
DTXSID
DTXSID00210920
ChEMBL
CHEMBL3305820
UNII
2H2G880K12
EC Number
210-577-2
Nikkaji
J62.003C

Properties

Computed structural properties

XLogP
0.2
Topological polar surface area
89.3 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
4
Rotatable bonds
1
Heavy atoms
11
Formal charge
0
Complexity
161

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Benzoic Acid Derivatives
CosmeticsHair dyeing
LogP0.13
Vapor Pressure0.00000956 [mmHg]
Physical DescriptionGrey or brown powder; [Alfa Aesar MSDS]

Physicochemical properties

Melting point
208 · 208-210 °C (dec.) (lit.)
Boiling point
274.61 °C · 274.61°C (rough estimate)
Density
1.2804 · 1.2804 (rough estimate)
refractive index
1.52 · 1.5200 (estimate)
storage temp.
Keep in dark place,Inert atmosphere,Room temperature
form
Powder
pka
5.02 · 5.02±0.10(Predicted)
color
Brown

Safety & regulation

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

GHS classification

GHS Classification · 3 items

This chemical does not meet GHS hazard criteria for 97.7% (2008 of 2056) of all reports.

Not Classified

Aggregated GHS information provided per 2056 reports by companies from 9 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory InformationChemical: Benzoic acid, 3,4-diamino-
Hazards SummaryA skin and strong eye irritant; [Alfa Aesar MSDS] See 3,4-Diaminotoluene.
Hazard Classes and CategoriesNot Classified

Safety data

PPE
dust mask type N95 (US), Eyeshields, Gloves
wgk
1
hs_code
29163990
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xi
hazard_note
Irritant
safety_code
26-36-37/39
Storage Class
11 - Combustible Solids
Hazard statements
H315-H319-H335
Precautionary statements
P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Chemistry & industry

Uses & manufacturing

Use ClassificationCosmetics -> Hair dyeing

Applications

Uses3,4-Diaminobenzoic acid undergoes cyclocondensations to form, for example, quinoxalines1 and benzimidazoles. It acts as a redox label for electrochemical detection of single base mismatches.

Upstream & downstream products

Upstream raw materials

4-Nitrobenzoic acid

Downstream products

1H-Benzimidazole-5-carboxylic acid6-Quinoxalinecarboxylic acid2-Methoxycarbonylamino-3H-benzoimidazole-5-carboxylic acidQuinoxaline-6-carbaldehyde2-(2-Chloro-phenyl)-1H-benzimidazole-5-carboxylic acid2-(3-Nitrophenyl)-1H-benzimidazole-5-carboxylic acid2-(4-Cyanophenyl)-1H-benzimidazole-5-carboxylic acid2-Oxo-2-phenylethyl 3,4-diaminobenzoate1,2,3,4-tetrahydro-2,3-dioxoquinoxaline-6-carboxylic acid

Related reactions

77 records
New reaction record
HRID 19970 reaction equation
HRID 19970As reactantuspto-grants-2010_06
HRID 21119 reaction equation
HRID 21119As reactantuspto-grants-2010_06
HRID 156822 reaction equation
HRID 156822As reactantTraining data from https://doi.org/10.1039/C8SC04228D (9/10)
HRID 328744 reaction equation
HRID 328744As reactantuspto-grants-1977_04
HRID 339421 reaction equation
HRID 339421As reactantuspto-grants-2014_11
HRID 382232 reaction equation
HRID 382232As productuspto-grants-2001_10
HRID 382235 reaction equation
HRID 382235As productuspto-grants-2001_10
HRID 388966 reaction equation
HRID 388966As reactantuspto-grants-2013_02
Page 1 of 10

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Water Solubility
Soluble in water (2.2 mg/ml at 20°C), DMF, and methanol (10 mg/ml).
BRN
775892 · 775892
Major Application
peptide synthesis
Cosmetics Ingredients Functions
HAIR DYEING
InChI
InChI=1S/C7H8N2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,8-9H2,(H,10,11)
InChIKey
HEMGYNNCNNODNX-UHFFFAOYSA-N
SMILES
C(O)(=O)C1=CC=C(N)C(N)=C1
LogP
0.13 · 0.130
CAS DataBase Reference
619 · 619-05-6(CAS DataBase Reference)
EWG's Food Scores
1 · 1-4
FDA UNII
2 H2G880K12 · 2H2G880K12
UNSPSC Code
12352200 · 12352200
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319-H335
Precautionary statements
264 · P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a
PPE
95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36-37/39
WGK Germany
1 · 1
Hazard Note
Irritant
HS Code
29163990 · 29163990
Storage Class
11 · 11 - Combustible Solids
2-Ethyl-1H-benzimidazole-6-carboxylic acid
Methyl 3,4-diaminobenzoate