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121258

3,5-Dinitrobenzoic acid

99%

Synonym(s):

DNBA

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Size/SKUAvailabilityPrice
100 g

Available to ship TODAY

$54.40
500 g

Available to ship TODAY

$162.00

About This Item

Linear Formula:
(O2N)2C6H3CO2H
CAS Number:
Molecular Weight:
212.12
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
39032062
UNSPSC Code:
12352100
EC Number:
202-751-1
MDL number:
Beilstein/REAXYS Number:
1914286
Assay:
99%
Form:
solid

$54.40


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Quality Segment

assay

99%

form

solid

mp

204-206 °C (lit.)

solubility

ethanol: soluble 0.5 g/10 mL, clear, yellow to very deep greenish-yellow

functional group

carboxylic acid, nitro

SMILES string

OC(=O)c1cc(cc(c1)[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C7H4N2O6/c10-7(11)4-1-5(8(12)13)3-6(2-4)9(14)15/h1-3H,(H,10,11)

InChI key

VYWYYJYRVSBHJQ-UHFFFAOYSA-N

General description

3,5-Dinitrobenzoic acid forms an adduct with 3,5-dimethylpyridine and the crystal structure of adduct has been studied at room temperature and 80K for both undeuterated and deuterated compounds. It forms 1:1 cocrystal with analgesic drug, ethenzamide and exists in two polymorphic forms.

Application

3,5-Dinitrobenzoic acid was used in the derivatization of resins and determination of ampicillin.

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156272125113M1296
description

99%

description

≥96.5%

description

97%

description

ReagentPlus®, 99%

assay

99%

assay

≥96.5%

assay

97%

assay

99%

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

200

solubility

ethanol: soluble 0.5 g/10 mL, clear, yellow to very deep greenish-yellow

solubility

-

solubility

-

solubility

1 M NaOH: 100 mg/mL, clear to slightly hazy, colorless to faintly yellow

mp

204-206 °C (lit.)

mp

68-69 °C (lit.)

mp

165-168 °C (lit.)

mp

132-135 °C (dec.) (lit.)

form

solid

form

solid

form

powder

form

powder or crystals, granular, chunks

functional group

nitro, carboxylic acid

functional group

acyl chloride, nitro

functional group

nitro, chloro, carboxylic acid

functional group

carboxylic acid


Pictograms

Exclamation mark

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 4 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves



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Questions

1–2 of 2 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/418/501/product-dating-information-06-25-mk.pdf

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  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?

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