Citric Acid

CAS 77-92-9·C6H8O7·192.12 g/mol·11 listings across 5 jurisdictions.

Also known as CID 88113319, Reaction products of: Poly(vinyl acetate), Partially hydrolyzed, with (E)-2-(4-Formylstyryl)-3,4-dimethylthiazoliummethyl sulfate, citric acid, citric-acid … +15 more

CAS
77-92-9
Mol. Weight
192.12000 g/mol
InChIKey
KRKNYBCHXYNGOX-UHFFFAOYSA-N
SMILES
O=C([O-])CC(O)(CC(=O)O)C(=O)[O-].[H+].[H+]
PubChem CID
19782904
PubChem CID
311
PubChem CID
88113319

Regulatory
Status

11 entries across 5 jurisdictions. Sourced from EU, US, UK and international regulatory databases.

Overall compliance

Restricted — high concern

High-concern classification in 2 of 9 frameworks, across 5 jurisdictions.

United StatesUnited States[US]
EPA Safer Chemical Ingredients List (SCIL)
EPA SCIL
Listed
View →

EPA's Safer Chemical Ingredients List; a listing means the substance is recognised as a safer choice within its functional class.

{
  "notes": "",
  "cas_number": "77-92-9",
  "scil_status": "Green Circle",
  "chemical_name": "Citric acid",
  "functional_use": "Chelating agent/pH adjuster"
}
FDA Indirect Food Additives (21 CFR 170-199)
FDA 21CFR
Listed
View →

FDA indirect food additives (21 CFR); a listing means the substance is permitted in food-contact materials under defined conditions.

{
  "source": "FDA Indirect Additives (21 CFR 175-178)",
  "cas_number": "77-92-9",
  "chemical_name": "CITRIC ACID"
}
FDA Approved Drug Substances
FDA DRUG
Approved
View →

FDA-approved drug substances; a listing means the substance is an approved active pharmaceutical ingredient.

{
  "source": "openFDA NDC (active ingredients)",
  "cas_number": "",
  "chemical_name": "ANHYDROUS CITRIC ACID",
  "product_count": 112,
  "active_ingredient": "ANHYDROUS CITRIC ACID"
}
FDA GRAS Substances
FDA GRAS
Listed
View →

FDA GRAS substances; a listing means the substance is Generally Recognized As Safe for its intended use in food.

{
  "notes": "21 CFR 184.1033; acidulant",
  "cas_number": "77-92-9",
  "chemical_name": "Citric acid"
}
TSCA Inventory
TSCA
Listed
View →

The U.S. TSCA Inventory; a listing means the substance is an existing chemical permitted in U.S. commerce.

{
  "name": "1,2,3-Propanetricarboxylic acid, 2-hydroxy-",
  "flags": "",
  "status": "active",
  "cas_number": "77-92-9",
  "risk_level": "low"
}
European UnionEuropean Union[EU]
CLP Regulation (EC) 1272/2008
CLP
Listed
View →

The EU's classification, labelling and packaging rules; a listing assigns the substance harmonised hazard classes such as carcinogenic, toxic, or corrosive.

{
  "source": "ECHA CLP Annex VI (harmonised C&L)",
  "index_no": "607-750-00-3",
  "ec_number": "201-069-1",
  "cas_number": "77-92-9",
  "hazard_class": "STOT SE 3\nEye Irrit. 2",
  "chemical_name": "citric acid",
  "hazard_statements": "H335\nH319"
}
EU Approved Biocidal Active Substances (BPR)
EU BPR
Approved
View →
{
  "source": "ECHA Biocidal active substances (BPR, Reg. (EU) 528/2012)",
  "ec_number": "201-069-1",
  "bas_number": "1271",
  "cas_number": "77-92-9",
  "chemical_name": "Citric acid",
  "product_types": "PT01, PT02",
  "approval_status": "Approved",
  "assessment_status": ""
}
EU REACH Registered Substances
EU REACH REGISTERED
Listed
View →
{
  "source": "EU REACH Registered Substances (ECHA CHEM)",
  "ec_number": "201-069-1",
  "cas_number": "77-92-9",
  "chemical_name": "Citric acid"
}
United KingdomUnited Kingdom[UK]
GB Mandatory Classification & Labelling
GB MCL
Listed
View →

Great Britain's mandatory classification & labelling; a listing assigns the substance legally binding GB hazard classifications.

{
  "source": "GB MCL (HSE)",
  "ec_number": "201-069-1",
  "cas_number": "77-92-9",
  "hazard_class": "STOT SE 3; Eye Irrit. 2",
  "chemical_name": "citric acid",
  "hazard_statements": "H335; H319"
}
International[INTERNATIONAL]
Not ListedNot listed in any International framework on record.
CanadaCanada[CANADA]
Canada Domestic Substances List
CANADA DSL
Listed
View →

Canada's inventory of substances already in commerce; a listing means it can be manufactured or imported without new-substance notification.

{
  "source": "Canada Domestic Substances List (DSL)",
  "cas_number": "77-92-9",
  "identifier": "77-92-9",
  "publication": "Canada Gazette Part II, Vol. 128, No. 9, May 4, 1994, SOR/94-311 (http://central.bac-lac.gc.ca/.redirect?app=cangaz&id=14339&lang=eng)",
  "identifier_2": "",
  "chemical_name": "1,2,3-Propanetricarboxylic acid, 2-hydroxy-",
  "additional_information": "This substance is on the Domestic Substances List (DSL). \n \nThis substance was added to the DSL as an “Existing Substance” given that it meets the criteria set out in the Canadian Environmental Protection Act, 1999 for substances that were in commerce in Canada between 1984 and 1986."
}
AustraliaAustralia[AUSTRALIA]
Australia Safe Work GHS Classification (HCIS)
AU SWA GHS
Listed
View →

Australia's official workplace hazard classification; a listing assigns the substance harmonised GHS health and physical-hazard categories.

{
  "source": "Safe Work Australia HCIS (via PubChem GHS Classification)",
  "cas_number": "77-92-9",
  "pictograms": [],
  "pubchem_cid": "311",
  "signal_word": "Warning",
  "chemical_name": "FLC",
  "hazard_statements": [
    "H315: Causes skin irritation [Warning Skin corrosion/irritation]",
    "H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]",
    "H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]"
  ]
}
New ZealandNew Zealand[NEW ZEALAND]
Not ListedNot listed in any New Zealand framework on record.
FranceFrance[FRANCE]
Not ListedNot listed in any France framework on record.
SwitzerlandSwitzerland[SWITZERLAND]
Not ListedNot listed in any Switzerland framework on record.
NE-Atlantic[NE-ATLANTIC]
Not ListedNot listed in any NE-Atlantic framework on record.

Data as of 2026-10-26·All sources and refresh dates

Get this
via the API

One request returns the identity, identifiers and every listing above as JSON — the same data this page is rendered from.

bash
curl -H "X-API-Key: YOUR_KEY" \
  "https://www.chemply.io/api/v1/lookup?q=77-92-9"

Each lookup costs one credit; a new account starts with 50 free credits, no card needed.
Read the API docs →·Get an API key →

Look up another substance

Any name, CAS number, InChIKey, SMILES or PubChem CID — free in the browser, no account needed.

[TRY]

Other popular substances