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Tributyl Citrate

HCID 6507
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
77-94-1
Standard SMILES
CCCCOC(=O)CC(O)(CC(=O)OCCCC)C(=O)OCCCC
InChIKey
ZFOZVQLOBQUTQQ-UHFFFAOYSA-N
Molecular formula
C18H32O7
Average molar mass
360.4 g/mol
Monoisotopic mass
360.21480336

Overview

Tributyl citrate is a carbonyl compound.

Names & identifiers

Preferred name
Tributyl Citrate
IUPAC
tributyl 2-hydroxypropane-1,2,3-tricarboxylate
English name
Tributyl citrate
Molecular formula
C18H32O7
Molecular weight
360.44

Names & synonyms

TRIBUTYL CITRATE77-94-1Butyl citratetributyl 2-hydroxypropane-1,2,3-tricarboxylateTri-n-butyl citrateCitroflex 4Citric acid, tributyl ester1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl esterCitric Acid Tributyl EsterMorflex tbcCitroflex c 4NSC-8491
Show more names
nsc8491citroflex4Citroflex 4CTributylcitratN-BUTYLCITRATEtributyl ester
2-Hydroxy-1,2,3-propanetricarboxylic acid, tributyl esterDTXSID5051442827D5B1B6S1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2,3-tributyl ester201-071-2tributyl citric acidRefChem:190909DTXCID0030039

Database identifiers

CAS
77-94-1
PubChem CID
6507
DTXSID
DTXSID5051442
ChEMBL
CHEMBL2107619
ChEBI
CHEBI:176825
UNII
827D5B1B6S
EC Number
201-071-2
Nikkaji
J4.216A

Properties

Computed structural propertiesFilling in

XLogP
2.7
Topological polar surface area
99.1 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
7
Rotatable bonds
17
Heavy atoms
25
Formal charge
0
Complexity
382

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Esters, Other
Polymers · 2 items

Plastics -> Plasticisers

Plastics -> PUR; PVC (soft)

Cosmetics · 2 items

Cosmetic ingredients (Tributyl Citrate) -> CIR (Cosmetic Ingredient Review)

Film forming; Solvent; Plasticiser

Plasticizers · 2 items

Plasticizer

Plasticizer

Density1.05 @25 °C
Endocrine DisruptorsPotential endocrine disrupting compound
Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR
Physical Description · 2 items

Liquid

Colorless or light yellow odorless liquid; [Merck Index]

Collision Cross Section

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 68.4% (255 of 373) of all reports.

Danger

H318 (27.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

P264+P265, P280, P305+P354+P338, and P317 (click each P-code to see the statement)

Aggregated GHS information provided per 373 reports by companies from 3 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 4 items

Chemical: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl ester

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2,3-tributyl ester is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2,3-tributyl ester are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 03-03-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/5956

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl ester: Does not have an individual approval but may be used under an appropriate group standard

Hazards Summary · 1 item

No adverse effects observed in 6-8-week oral study of rats at doses up to 20,000 mg/kg/day; [ToxPlanet: EC: CSTEE] Causes somnolence and vascular changes in intraperitoneal lethal-dose studies of mice (LD50 = 2,900 mg/kg); [RTECS] May cause irritation; [Acros Organics MSDS]

Hazard Classes and CategoriesEye Dam. 1 (27.9%)

Safety & protection

Chemistry & industry

Uses & manufacturing

Uses · 4 items

CIR ingredient: Tributyl Citrate

Used in polishes, inks, and nitrocellulose lacquers (plasticizer and solvent) and as an anti-foam agent; [Merck Index]

Painting (Solvents) [Category: Paint]

Plastics -> Typical concentration range in plastic materials -> 10.0 - 35.0%

U.S. Production2023: 1,000,000 - <2,500,000 lb
Consumer UsesPlasticizer
Industry UsesPlasticizer
Household ProductsInformation on 41 consumer products that contain Tributyl citrate in the following categories is provided:
Use Classification · 3 items

Plastics -> Plasticisers

Plastics -> Polymer Type -> PUR; PVC (soft)

Cosmetics -> Film forming; Solvent; Plasticiser

General Manufacturing Information · 2 items

Paint and Coating Manufacturing

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2,3-tributyl ester: ACTIVE

Applications · 5 items

UsesThis product is innocuous plasticizer, it can be used for granulation of non-toxic PVC, it can be used for packaging materials in food production, soft toys for children, medical products, the plasticizer for polyvinyl chloride, vinyl chloride copolymers, cellulose resin.

UsesTributyl Citrate, is a non-phthalate plasticizer, that can be used for the preparation of resins. It can also used for the synthesis of Acetyl Tributyl Cirate, a valuable biodegradable plasticizer of low toxicity, found in nail polish and other cosmetics.

Tributyl citrate can be used:To incorporate in zein film to enhance its mechanical properties for industrial processing.As a plasticizer to improve the ductile properties of poly(lactide) polymers.

Related reactions

5 records
New reaction record
HRID 884314 reaction equation
HRID 884314As reactantuspto-grants-2012_08
HRID 884315 reaction equation
HRID 884315As reactantuspto-grants-2012_08
HRID 884316 reaction equation
HRID 884316As reactantuspto-grants-2012_08
HRID 884317 reaction equation
HRID 884317As reactantuspto-grants-2012_08
HRID 884318 reaction equation
HRID 884318As reactantuspto-grants-2012_08

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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202.7 Ų [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID5051442]

Physicochemical properties

Melting point
-20 °C · -20 °C
Boiling point
233 °C/22 · 233 °C/22 mmHg
Density
1.04 · 1.04
Pour Point
-62 · -62
refractive index
1.44 · 1.44
Flash point
206 °C · 206 °C
storage temp.
30 °C · Store below +30°C.
solubility
Miscible with acetone, ethanol, and vegetable oil; practically insoluble in water.
pka
11.3 · 11.30±0.29(Predicted)
form
clear liquid
color
Colorless to Almost colorless
Odor
odorless
Viscosity
32 cp · 32cp (25C)
Water Solubility
insoluble
Merck
14 · 14,1564
BRN
1806072 · 1806072
Cosmetics Ingredients Functions
SOLVENTPLASTICISERFILM FORMING
InChI
1S/C18H32O7/c1-4-7-10-23-15(19)13-18(22,17(21)25-12-9-6-3)14-16(20)24-11-8-5-2/h22H,4-14H2,1-3H3
InChIKey
ZFOZVQLOBQUTQQ-UHFFFAOYSA-N
SMILES
CCCCOC(=O)CC(O)(CC(=O)OCCCC)C(=O)OCCCC
LogP
4.324 · 4.324 (est)
CAS DataBase Reference
77 · 77-94-1(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances
TRIBUTYL CITRATE
FDA 21 CFR
175.105 · 175.105
EWG's Food Scores
1 · 1
FDA UNII
827 D5B1B6S · 827D5B1B6S
NIST Chemistry Reference
Butyl citrate(77-94-1)
EPA Substance Registry System
1 · 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl ester (77-94-1)
UNSPSC Code
41116107 · 41116107
NACRES
24 · NA.24
Symbol(GHS)
5 · GHS05
Signal word
Danger
Hazard statements
318 · H318
Precautionary statements
280 · P280-P305+P351+P338-P310
PPE
Eyeshields, Gloves
Hazard Codes
T
Risk Statements
25 · 25
Safety Statements
26 · 26-36/37/39-45-24/25
RIDADR
2811 · UN 2811 6.1/PG 2
WGK Germany
3 · 3
RTECS
8608000 · TZ8608000
TSCA
TSCA listed
HS Code
2918150000 · 2918150000
Storage Class
10 · 10 - Combustible liquids
REACH Registrations
Active
Protective Action Criteria (PAC) · 3 items

0.88 [ppm]

9.7 [ppm]

43 [ppm]

Toxicology

Toxicity SummarySafe in the present practices of use and concentration. Ingredient, concentration, and use information are available in documents discoverable at https://cir-reports.cir-safety.org

Safety data

PPE
Eyeshields, Gloves
wgk
3
tsca
TSCA listed
rtecs
TZ8608000
ridadr
UN 2811 6.1/PG 2
hs_code
2918150000
risk_code
25
Signal word
Danger
Symbol(GHS)
GHS05
hazard_code
T
safety_code
26-36/37/39-45-24/25
Storage Class
10 - Combustible liquids
Hazard statements
H318
REACH Registrations
Active
Precautionary statements
P280-P305+P351+P338-P310
Uses

UsesPlasticizer and solvent for nitrocellulose lacquers; in polishes, inks and similar Preparations; also as anti-foam agent.

General DescriptionTributyl citrate is an ester of citric acid. It is used to plasticize polymers for coating solid drug dosage forms, tablets and capsules.Certified pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to pharmacopeia primary standards.

Upstream & downstream products

Upstream raw materials

1-ButanolSodium carbonateConcentrated sulfuric acidtert-ButanolCitric acid

Downstream products

1-Propene-1,2,3-tricarboxylic acid, 1,2,3-tributyl ester, (1E)-

Additional notes

DefinitionChEBI: Tributyl citrate is a carbonyl compound.