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1.06794

Supelco

3-Nitrophenol

pH indicator

Synonym(s):

3-Nitrophenol, m-Nitrophenol

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About This Item

Empirical Formula (Hill Notation):
C6H5NO3
CAS Number:
Molecular Weight:
139.11
MDL number:
UNSPSC Code:
12352104
EC Index Number:
209-073-5
NACRES:
NA.21

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product name

3-Nitrophenol, indicator

Quality Level

Assay

≥98% (DSC (differential scanning calorimetry))

form

solid

autoignition temp.

400 °C

potency

328 mg/kg LD50, oral (Rat)

pH

6.6-8.6 (20 °C in H2O)

bp

194 °C/93 hPa

mp

95-98 °C

transition temp

flash point >100 °C

Analysis Note

Purity (DSC (differential scanning calorimetry)): ≥ 98 %
Identity (UV/VIS-Spectrum): passes test
Melting point (DSC (differential scanning calorimetry)): 94 - 98 °C
Transition range: pH 6.6 - pH 8.6colourless - yellow
Absorption maximum λmax. (buffer pH 6.6): 329 - 333 nm
Absorption maximum λmax. (buffer pH 11.0): 389 - 393 nm
Spec. Absorptivity A 1%/1cm (λ1max; 0.05 g/l; buffer pH 6.6): 130 - 150
Spec. Absorptivity A 1%/1cm (λ2max; 0.05 g/l; buffer pH 11.0): 100 - 120

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3


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