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ChemicalBook >> CAS DataBase List >>2,3-Dinitrophenol

2,3-Dinitrophenol

2,3-Dinitrophenol Structure
2,3-Dinitrophenol structure
CAS No.
66-56-8
Chemical Name:
2,3-Dinitrophenol
Synonyms
2,3-dnp;Nsc 156083;2,3-Dinitrofenol;2,3-Dinitrophenol;2,3-dinitro-pheno;Dinitrophenol, 2,3-;Phenol, 2,3-dinitro-;2,3-dinitrophenolmoistenedwithwater(h2o~20%);2,3-Dinitrophenol moistened with water, >=98.0% (HPLC)
CBNumber:
CB2684590
Molecular Formula:
C6H4N2O5
Molecular Weight:
184.11
MDL Number:
MFCD00024250
MOL File:
66-56-8.mol
MSDS File:
SDS
Last updated:2026-09-12 18:51:23
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2,3-Dinitrophenol Properties

Melting point 141-145 °C
Boiling point 329℃
Density 1.650
refractive index 1.4738 (estimate)
Flash point 151℃
solubility Solubility Sparingly soluble in water; soluble in ethanol, ether
pka 4.86, 4.96(at 25℃)
color Yellow needles
PH Range Colorless (3.9) to yellow (5.9)
BRN 2213580
Major Application For biosensor design, drug delivery
InChI 1S/C6H4N2O5/c9-5-3-1-2-4(7(10)11)6(5)8(12)13/h1-3,9H
InChIKey MHKBMNACOMRIAW-UHFFFAOYSA-N
SMILES Oc1cccc(c1[N+]([O-])=O)[N+]([O-])=O
CAS DataBase Reference 66-56-8
EWG's Food Scores 1
FDA UNII 735M30625H
EPA Substance Registry System Phenol, 2,3-dinitro- (66-56-8)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exploding Bomb (GHS01)Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
GHS01,GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H201-H301+H311+H331-H373-H411
Precautionary statements  P210-P230-P250-P280-P301+P310-P370+P372+P380+P373-P503
PPE Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Hazard Codes  T,N
Risk Statements  23/24/25-33-51/53
Safety Statements  28-37-45-61
RIDADR  UN 1320 4.1/PG 1
WGK Germany  3
RTECS  SL2700000
HazardClass  4.1
PackingGroup  I
Storage Class 4.1B - Flammable solid hazardous materials
Hazard Classifications Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Chronic 2
Expl. 1.1
STOT RE 2

2,3-Dinitrophenol price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 42155 2,3-Dinitrophenol moistened with water, ≥98.0% (HPLC) 66-56-8 1g $331 2023-06-20 Buy
Sigma-Aldrich 42155 2,3-Dinitrophenol moistened with water, ≥98.0% (HPLC) 66-56-8 5g $1190 2023-06-20 Buy
AHH MT-11180 2,3-Dinitrophenol 97% 5g $608 2026-05-26 Buy
TRC D480755 2,3-Dinitrophenol 66-56-8 1g $310 2021-12-16 Buy
American Custom Chemicals Corporation CHM0115621 2,3-DINITROPHENOL 95.00% 66-56-8 1G $932.61 2021-12-16 Buy
Product number Packaging Price Buy
42155 1g $331 Buy
42155 5g $1190 Buy
MT-11180 5g $608 Buy
D480755 1g $310 Buy
CHM0115621 1G $932.61 Buy

2,3-Dinitrophenol Chemical Properties, Uses, Production

Chemical Properties

Yellow monoclinic prisms, flammable. Soluble in ether, benzene, and ethanol; slightly soluble in water.

Uses

2,3-Dinitrophenol may be employed as nitrogen supplement for the bacterial culture medium.

Definition

ChEBI: 2,3-dinitrophenol is a dinitrophenol.

General Description

2,3-Dinitrophenol is a nitroaromatic compound. It has been reported to exhibit high acute toxicity to Scenedesmus obliquus, with EC50 value of 2.5±0.8.

2,3-Dinitrophenol Preparation Products And Raw materials

Raw materials

Preparation Products

5-Hydroxyquinoxaline

2,3-Dinitrophenol Suppliers

Global Suppliers ( 41)
Supplier Tel Email Country ProdList Advantage
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 han_yajun@dctc.daicel.com China 7909 65
China Langchem Inc. 0086-21-58956006 China 7798 57
Nanjing JinruiJiuAn Biotechnology Co., Ltd. 025-58196018 800028039 sales@fartop.net China 2227 55
Chemwill Asia Co.,Ltd. 86-21-51086038 China 2928 58
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Dayang Chem (Hangzhou) Co.,Ltd. +86-0571-88938639 17705817739 info@dycnchem.com China 52451 58
Supplier Advantage
Energy Chemical 61
JinYan Chemicals(ShangHai) Co.,Ltd. 60
Daicel Chiral Technologies (China)CO.,LTD 65
China Langchem Inc. 57
Nanjing JinruiJiuAn Biotechnology Co., Ltd. 55
Chemwill Asia Co.,Ltd. 58
Quality Control Solutions Ltd. 56
Sigma-Aldrich 80
Shanghai YuanYe Biotechnology Co., Ltd. 60
Dayang Chem (Hangzhou) Co.,Ltd. 58

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