Chloranilic acid

Modify Date: 2026-07-02 17:49:24

Chloranilic acid Structure
Chloranilic acid structure
Common Name Chloranilic acid
CAS Number 87-88-7 Molecular Weight 208.984
Density 1.9±0.1 g/cm3 Boiling Point 300.3±42.0 °C at 760 mmHg
Molecular Formula C6H2Cl2O4 Melting Point ≥300 °C(lit.)
MSDS Chinese USA Flash Point 135.4±27.9 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name chloranilic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.9±0.1 g/cm3
Boiling Point 300.3±42.0 °C at 760 mmHg
Melting Point ≥300 °C(lit.)
Molecular Formula C6H2Cl2O4
Molecular Weight 208.984
Flash Point 135.4±27.9 °C
Exact Mass 207.933014
PSA 74.60000
LogP 0.18
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.655
InChIKey IPPWILKGXFOXHO-UHFFFAOYSA-N
SMILES O=C1C(O)=C(Cl)C(=O)C(O)=C1Cl
Storage condition Amber Vial, Refrigerator
Stability Stable. Incompatible with strong oxidizing agents.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DK4005000
CHEMICAL NAME :
p-Benzoquinone, 2,5-dichloro-3,6-dihydroxy-
CAS REGISTRY NUMBER :
87-88-7
BEILSTEIN REFERENCE NO. :
1875040
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C6-H2-Cl2-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,9,1953

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DK4005000
HS Code 2914700090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2914700090
Summary HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

 Articles25

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Spectrophotometric, FTIR and theoretical studies of the charge-transfer complexes between isoniazid (pyridine-4-carboxylic acid hydrazide) and the acceptors (p-chloranil, chloranilic acid and tetracyanoethylene) in acetonitrile, their association constants, thermodynamic properties and other related properties

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 95 , 637-47, (2012)

Graphical abstract

Spectrophotometric, Fourier transform infrared spectroscopic and theoretical studies of the charge-transfer complexes between methyldopa [(S)-2 amino-3-(3,4-dihydroxyphenyl)-2-methyl propanoic acid] and the acceptors (chloranilic acid, o-chloranil and dichlorodicyanobenzoquinone) in acetonitrile and their thermodynamic properties.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 92 , 212-24, (2012)

Methyldopa is a much used antihypertensive drug. It is the subject matter of study mostly for the determination and estimation of methyldopa in pharmaceutical properties. These considerations led us t...

Oxidative double dehalogenation of tetrachlorocatechol by a bio-inspired CuII complex: formation of chloranilic acid.

Chemistry 14(18) , 5567-76, (2008)

Copper(II) complexes of the potentially tripodal N,N,O ligand 3,3-bis(1-methylimidazol-2-yl)propionate (L1) and its conjugate acid HL1 have been synthesised and structurally and spectroscopically char...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

chloranilic
2.5-dichloro-3.6-dihydroxy-1,4-benzoquinone
EINECS 201-780-7
2,5-dichloro-3,6-dihydroxycyclohexa-2,5-diene-1,4-dione
p-chloranilicacid
2,5-Dichloro-3,6-dihydroxy-p-quinone
2,5-Dichloro-3,6-dihydroxy-1,4-benzoquinone
2,5-Dichloro-3,6-dihydroxy-2,5-cyclohexadiene-1,4-dione
Chloranilic acid
MFCD00001596

 Chloranilic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of chloranilic acid?
A: Polar surface area (PSA) of chloranilic acid is 74.60000.
Q: What is the melting point of chloranilic acid?
A: Melting point of chloranilic acid is ≥300 °C(lit.).
Q: What are the downstream products of chloranilic acid?
A: Related downstream products(CAS) of chloranilic acid: 75-47-8;106-34-3;124-48-1;144-62-7;1768-31-6;76-06-2;632-21-3.
Q: What is the molecular formula of chloranilic acid?
A: Molecular formula of chloranilic acid is C6H2Cl2O4.
Q: What is the molecular weight of chloranilic acid?
A: Molecular weight of chloranilic acid is 208.984.
Q: What are the upstream materials of chloranilic acid?
A: Related upstream materials(CAS) of chloranilic acid: 118-75-2;123-31-9;1198-55-6;2435-53-2;634-85-5;632-21-3;58965-69-8;57-13-6;87-86-5;7790-94-5.
Q: What English synonyms does chloranilic acid have?
A: English synonyms of chloranilic acid: chloranilic, 2.5-dichloro-3.6-dihydroxy-1,4-benzoquinone, EINECS 201-780-7, 2,5-dichloro-3,6-dihydroxycyclohexa-2,5-diene-1,4-dione, p-chloranilicacid, 2,5-Dichloro-3,6-dihydroxy-p-quinone, 2,5-Dichloro-3,6-dihydroxy-1,4-benzoquinone, 2,5-Dichloro-3,6-dihydroxy-2,5-cyclohexadiene-1,4-dione, Chloranilic acid, MFCD00001596.
Q: What is the CAS number of chloranilic acid?
A: CAS number of chloranilic acid is 87-88-7.
Q: What is the boiling point of chloranilic acid?
A: Boiling point of chloranilic acid is 300.3±42.0 °C at 760 mmHg.
Q: What is the LogP of chloranilic acid?
A: LogP of chloranilic acid is 0.18.

 Chloranilic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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