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MilliporeSigma

185760

Sigma-Aldrich

1-Chloro-2-nitrobenzene

99%

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250 G
$50.70
1 KG
$78.28

About This Item

Linear Formula:
ClC6H4NO2
CAS Number:
Molecular Weight:
157.55
Beilstein/REAXYS Number:
509273
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

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$50.70


Estimated to ship onJuly 11, 2025Details


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vapor density

5.4 (vs air)

Quality Level

vapor pressure

0.04 mmHg ( 25 °C)

assay

99%

form

solid

autoignition temp.

500 °F

expl. lim.

8.7 %

bp

246 °C (lit.)

mp

31-33 °C (lit.)

solubility

alcohol: soluble
benzene: soluble
diethyl ether: soluble
water: insoluble

density

1.348 g/mL at 25 °C (lit.)

functional group

chloro
nitro

SMILES string

[O-][N+](=O)c1ccccc1Cl

InChI

1S/C6H4ClNO2/c7-5-3-1-2-4-6(5)8(9)10/h1-4H

InChI key

BFCFYVKQTRLZHA-UHFFFAOYSA-N

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This Item
23732913863025580
assay

99%

assay

≥99%

assay

97%

assay

≥97.0%

solubility

alcohol: soluble, diethyl ether: soluble, benzene: soluble, water: insoluble

solubility

alcohol: very slightly soluble (cold)(lit.), benzene: soluble(lit.), carbon disulfide: soluble(lit.), diethyl ether: soluble(lit.), water: insoluble (practically)(lit.)

solubility

alcohol: soluble (hot), alcohol: very slightly soluble (cold), benzene: soluble, carbon disulfide: soluble, diethyl ether: soluble, water: insoluble

solubility

dioxane: soluble 0.5 g/5mL, clear, faintly yellow to yellow

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

density

1.348 g/mL at 25 °C (lit.)

density

-

density

-

density

-

form

solid

form

solid

form

solid

form

solid

mp

31-33 °C (lit.)

mp

48-50 °C (lit.)

mp

48-50 °C (lit.)

mp

85-87 °C (lit.), 85-89 °C

General description

1-Chloro-2-nitrobenzene was reduced to o-chloroaniline by using 5% platinum on carbon with ammonium formale or forinic acid as hydrogen donor[1]. Reaction of 1-chloro-2-nitrobenzene with dinitrogen pentoxide in dichloromethane is strongly catalysed by H-Faujasite-720(zeolite)[2].

Application

1-Chloro-2-nitrobenzene was used in the synthesis of 1-hydroxybenzotriazole derivatives[3].

pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

258.8 °F - closed cup

flash_point_c

126 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Questions

1–3 of 3 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. Does this neutralize Formaline?

    1 answer
    1. This product is not specifically cited as a neutralizing agent for Formalin. The end-user must determine the suitability of this application.

      It may be helpful to review the peer-reviewed articles:
      https://www.sigmaaldrich.com/search/185760?focus=papers&page=1&perpage=30&sort=relevance&term=185760&type=citation_search

      Helpful?

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