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603-11-2

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Identification

Name
3-Nitrophthalic acid
CAS
603-11-2
Synonyms
3-nitro-1,2-benzenedicarboxylic acid
3-NITROBENZENE-1,2-DICARBOXYLIC ACID
3-NITROPHTHALIC ACID
3-NPA
AKOS B028734
LABOTEST-BB LT01689746
RARECHEM AL BO 0803
1,2-Benzenedicarboxylic acid, 3-nitro-
3-nitro-2-benzenedicarboxylicacid
3-nitrophthalic
m-Nitrophthalic acid
Phthalic acid, 3-nitro-
m-Nitro Phthalic Acid 3-Nitro Phthalic Acid
3-NitrophthalicAcid,>99%
3-Nitrophthalic acid 96%
3-NITROPHTHALIC ACID pure
3 NITRO PHTHALLIC ACID
o-Nitrophthalic acid
EINECS(EC#)
210-030-8
Molecular Formula
C8H5NO6
MDL Number
MFCD00007138
Molecular Weight
211.13
MOL File
603-11-2.mol

Chemical Properties

Appearance
pale yellow crystals
Melting point 
210 °C (dec.) (lit.)
mp 
210 °C (dec.)(lit.)

Boiling point 
350.79°C (rough estimate)
density 
1.6342 (rough estimate)
vapor density 
7.3 (vs air)

refractive index 
1.5282 (estimate)
storage temp. 
Store below +30°C.
solubility 
water: soluble5%, clear to slightly hazy, colorless to faint yellow or tan
pka
pK1:1.88 (25°C)
form 
Powder
color 
Off-white to light yellow
Stability:
Stable. Incompatible with strong oxidizing agents.
Water Solubility 
20 g/L (25 ºC)
Decomposition 
216 °C
Detection Methods
HPLC,NMR
BRN 
2054269
InChIKey
KFIRODWJCYBBHY-UHFFFAOYSA-N
CAS DataBase Reference
603-11-2(CAS DataBase Reference)
NIST Chemistry Reference
3-Nitrophthalic acid(603-11-2)
EPA Substance Registry System
603-11-2(EPA Substance)

Questions And Answer

Uses
3-Nitrophthalic Acid is a useful chemical in organic synthesis. It is also an impurity of Apremilast.

Safety Data

Hazard Codes 
Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R41:Risk of serious damage to eyes.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/39:Wear suitable protective clothing and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
WGK Germany 
3

Hazard Note 
Irritant
TSCA 
Yes
HS Code 
29173980

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

Hazard Information

Chemical Properties
pale yellow crystals
Synthesis Reference(s)
The Journal of Organic Chemistry, 39, p. 2468, 1974 DOI: 10.1021/jo00930a051
Safety Profile
A preparative hazard. When heated to decomposition it emits toxic fumes of NOx.
Purification Methods
Crystallise 3-nitrophthalic acid from hot water (1.5mL/g). Dry it in air. The amide has m 201o (from EtOH). [Beilstein 9 H 823, 9 IV 3275.]

Spectrum Detail

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