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329-71-5

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Identification

Name
2,5-DINITROPHENOL
CAS
329-71-5
Synonyms
2,5-DINITROPHENOL
γ-Dinitrophenol
GAMMA-DINITROPHENOL
2,5-Dinitrofenol
2,5-dinitro-pheno
2,5-Dnp
gamma-dinitro-pheno
Phenol, 2,5-dinitro-
Phenol, gamma-dinitro-
2,5-DINITROPHENOL PESTANAL, WITH 0,5 ML
2 5-DINITROPHENOL MOISTENED WITH WATER &
2 5-DINITROPHENOL INDICATOR &
PARA-DINITROPHENOL
2,5-DINITROPHENOL (0.1% IN CA. 50% ETHANOL)[FOR PH DETERMINATION]
2,5-DINITROPHENOL (WETTED WITH CA. 20% WATER, CONTAINING 5G ON A DRY WEIGHT BASIS) 99+%
2,5-DINITROPHENOL (0.1% IN CA. 50% ETHANOL)[FOR TITRATION]
2,5-Dinitrophenol (wetted with ca. 20% Water, containing 5g on a dry weight basis)
p-Dinitrophenol
EINECS(EC#)
206-348-1
Molecular Formula
C6H4N2O5
MDL Number
MFCD00007108
Molecular Weight
184.11
MOL File
329-71-5.mol

Chemical Properties

mp 
103-106 °C(lit.)

Merck 
3281
CAS DataBase Reference
329-71-5(CAS DataBase Reference)

Safety Data

Hazard Codes 
T,N
Risk Statements 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S37:Wear suitable gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR 
UN 1320 4.1/PG 1

WGK Germany 
3

RTECS 
SL2900000

HazardClass 
4.1
PackingGroup 
I

Raw materials And Preparation Products

Raw materials
3-Nitrophenol

Hazard Information

General Description
Yellow crystalline solid with a sweet musty odor. Sinks and mixes slowly with water.
Reactivity Profile
2,5-DINITROPHENOL(329-71-5) can detonate or explode when heated under confinement [USCG, 1999]. Phenols do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has Ka = 1.3 x 10^[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases.
Air & Water Reactions
Slowly mixes with water.
Health Hazard
INHALATION, INGESTION OR SKIN ABSORPTION: Fatigue, thirst, sweating, flushing of face, nausea, vomiting, abdominal pain, diarrhea; restlessness, anxiety, excitement occasionaly leading to convulsions; fever, tachycardia, labored respiration, cyanosis, and sometimes muscle cramps. Loss of consciousness, cessation of breathing and death. EYES: Causes dilation of pupils or posterior subcapsular opacities or cataracts. SKIN: Discoloration, irritation, and dermatitis.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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