偏苯三酸三辛酯

Name: 偏苯三酸三辛酯
Brand: 济南圣和化工有限公司

CAS 3319-31-1C33H54O6MW 546.8

本页收录偏苯三酸三辛酯，CAS 登记号为 3319-31-1，分子式 C33H54O6，分子量 546.8，归类于精细化学品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	3319-31-1
分子式	C33H54O6
分子量	546.8
熔点	-46 °C
沸点	414 °C
LogP	log Kow = 5.94
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	精细化学品；塑料助剂
类别	精细化学品\|塑料助剂

应用领域

精细化学品；塑料助剂

目前偏苯三酸三辛酯主要服务于精细化学品与塑料助剂两大方向。我们可按应用场景提供不同规格，随货 COA 列明实测指标，方便您做入厂检验比对。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供应说明：偏苯三酸三辛酯常规包装为按订单/批次确认(不公开发布)，储存时应密封置于阴凉干燥处，避免与氧化剂混放。济南圣和化工有限公司支持国内物流发货，大货交期与运费以订单确认为准。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除偏苯三酸三辛酯外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

偏苯三酸三辛酯的 CAS 号是多少？

偏苯三酸三辛酯的 CAS 号为 3319-31-1。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

偏苯三酸三辛酯有什么用途？

主要应用于精细化学品；塑料助剂。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

Trioctyl Trimellitate · CAS 3319-31-1 · C33H54O6. UNII 378539Q830. Boiling Point: 414 °C; Melting Point: -46 °C; Flash Point: 263 °C (505 °F) (Closed cup).

Identification

CAS Registry Number	3319-31-1
PubChem CID	18725
Molecular formula	C33H54O6
IUPAC name	tris(2-ethylhexyl) benzene-1,2,4-tricarboxylate
UNII (FDA)	378539Q830

Computed Descriptors

Molecular Weight	546.8
XLogP3	10.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	24
Exact Mass	546.39203944
Monoisotopic Mass	546.39203944
Topological Polar Surface Area	78.9
Heavy Atom Count	39
Formal Charge	0

Physical & Chemical Properties

Boiling Point	414 °C
Melting Point	-46 °C
Flash Point	263 °C (505 °F) (Closed cup)
Solubility	In water, 3.9X10-4 mg/L at 25 °C
LogP	log Kow = 5.94
Collision Cross Section	264.41 Å² [M+Na]+

Physical description & handling notes

Tris(2-ethylhexyl) trimellitate is a yellow oily liquid. (NTP, 1992)
Liquid; Large Crystals; Liquid
Yellow liquid; [HSDB] Light yellow odorless viscous liquid; [MSDSonline]
Yellow oily liquid
greater than 200 °F (NTP, 1992)
less than 1 mg/mL at 68 °F (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Tris(2-ethylhexyl) trimellitate (CAS Reg. No. 3319-31-1) The FCS is intended for use as a plasticizer in repeated-use food-contact vinyl chloride polymers, except for The FCS is intended for use as a plasticizer in repeated-use, food-contact vinyl chloride polymers, except for CIR / INCI: Cosmetic ingredients (Triethylhexyl Trimellitate) -> CIR (Cosmetic Ingredient Review)

Regulatory & Food Contact

FDA Cumulative Estimated Daily Intake (CEDI): FCS
FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS
Tris(2-ethylhexyl) trimellitate (CAS Reg. No. 3319-31-1)
The FCS is intended for use as a plasticizer in repeated-use food-contact vinyl chloride polymers, except for
The FCS is intended for use as a plasticizer in repeated-use, food-contact vinyl chloride polymers, except for
CIR / INCI: Cosmetic ingredients (Triethylhexyl Trimellitate) -> CIR (Cosmetic Ingredient Review)

Documented Uses

CIR ingredient: Triethylhexyl Trimellitate
Plastics -> Typical concentration range in plastic materials -> 35%
Plastics -> Polymer Type -> PVC (soft)
Not Known or Reasonably Ascertainable
ESTERIFICATION OF TRIMELLITIC ANHYDRIDE WITH 2-ETHYLHEXYL ALCOHOL
ESSENTIALLY 100% AS A PLASTICIZER

Synonyms

3319-31-1; Trioctyl trimellitate; TRIS(2-ETHYLHEXYL) TRIMELLITATE; Totm; Tri-2-ethylhexyl trimellitate; Staflex TOTM; Morflex 510; Hatcol 200; Trimex T 08; 1,2,4-Benzenetricarboxylic acid, tris(2-ethylhexyl) ester; DTXSID9026265; Monosizer W710L; DTXCID806265; 378539Q830; RefChem:900194; Tris(2-ethylhexyl) benzene-1,2,4-tricarboxylate

Frequently Asked Questions

What are the CAS number and molecular formula of Trioctyl Trimellitate?

CAS 3319-31-1; molecular formula C33H54O6; molecular weight — g/mol.

What other names is Trioctyl Trimellitate known by?

3319-31-1, Trioctyl trimellitate, TRIS(2-ETHYLHEXYL) TRIMELLITATE, Totm, Tri-2-ethylhexyl trimellitate, Staflex TOTM.

What is the regulatory status of Trioctyl Trimellitate?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS; Tris(2-ethylhexyl) trimellitate (CAS Reg. No. 3319-31-1).

What are the key physical properties of Trioctyl Trimellitate?

Boiling Point: 414 °C; Melting Point: -46 °C; Flash Point: 263 °C (505 °F) (Closed cup); Solubility: In water, 3.9X10-4 mg/L at 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.