Tributyl citrate(TBC)

Description

Tributyl citrate(TBC) · CAS 77-94-1 · C18H32O7. UNII 827D5B1B6S. Density: 1.05 @25 °C.

Identification

CAS Registry Number	77-94-1
PubChem CID	6507
Molecular formula	C18H32O7
IUPAC name	tributyl 2-hydroxypropane-1,2,3-tricarboxylate
UNII (FDA)	827D5B1B6S

Computed Descriptors

Molecular Weight	360.4
XLogP3	2.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	17
Exact Mass	360.21480336
Monoisotopic Mass	360.21480336
Topological Polar Surface Area	99.1
Heavy Atom Count	25
Formal Charge	0

Physical & Chemical Properties

Density	1.05 @25 °C

Physical description & handling notes

• Liquid
• Colorless or light yellow odorless liquid; [Merck Index]
• 202.7 Ų [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID5051442]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Tributyl Citrate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Film forming; Plasticiser; Solvent
GHS notification summary	68.4% (255 / 373)

GHS Hazard Classification

GHS notification summary	68.4% (255 / 373)
Reported hazard statements	H318 (27.9%)

Documented Uses

• 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%
• Cosmetics -> Film forming; Plasticiser; Solvent
• Plastics -> Polymer Type -> PUR; PVC (soft)

Synonyms

TRIBUTYL CITRATE; 77-94-1; Butyl citrate; tributyl 2-hydroxypropane-1,2,3-tricarboxylate; Tri-n-butyl citrate; Citroflex 4; Citric acid, tributyl ester; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tributyl ester; Citric Acid Tributyl Ester; Morflex tbc; Citroflex c 4; NSC-8491; 2-Hydroxy-1,2,3-propanetricarboxylic acid, tributyl ester; DTXSID5051442; 827D5B1B6S; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2,3-tributyl ester

Frequently Asked Questions

What are the CAS number and molecular formula of Tributyl citrate(TBC)?

CAS 77-94-1; molecular formula C18H32O7; molecular weight — g/mol.

What other names is Tributyl citrate(TBC) known by?

TRIBUTYL CITRATE, 77-94-1, Butyl citrate, tributyl 2-hydroxypropane-1,2,3-tricarboxylate, Tri-n-butyl citrate, Citroflex 4.

What is the regulatory status of Tributyl citrate(TBC)?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Cosmetic ingredients (Tributyl Citrate) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Film forming; Plasticiser; Solvent.

Is Tributyl citrate(TBC) classified as hazardous?

68.4% of GHS notifications report no hazard classification (255 of 373).

What are the key physical properties of Tributyl citrate(TBC)?

Density: 1.05 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.