Skip to Content
Merck
CN

Key Documents

View All Documentation

1.06794

3-Nitrophenol

pH indicator

Synonym(s):

3-Nitrophenol, m-Nitrophenol

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C6H5NO3
CAS Number:
554-84-7
Molecular Weight:
139.11
UNSPSC Code:
12352104
EC Index Number:
209-073-5
NACRES:
NA.21
MDL number:
MFCD00007240
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

3-Nitrophenol, indicator

Quality Level

200

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

solubility

insoluble 13.5 g/L

density

1.49 g/cm3 at 20 °C

bulk density

640 kg/m3

λmax

329-333 nm (buffer pH 6.6), 389-393 nm (buffer pH 11.0)

storage temp.

2-30°C

SMILES string

[N+](=O)([O-])c1cc(ccc1)O

InChI

1S/C6H5NO3/c8-6-3-1-2-5(4-6)7(9)10/h1-4,8H

InChI key

RTZZCYNQPHTPPL-UHFFFAOYSA-N

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

Still not finding the right product?

Explore all of our products under 3-Nitrophenol

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk

WGK 3

Regulatory Information

新产品

This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Global Trade Item Number

SKUGTIN
106794002504022536082134