没食子酸正丙酯

Name: 没食子酸正丙酯
Brand: 济南圣和化工有限公司

CAS 56274-95-4C10H12O5MW 212.20

本页收录没食子酸正丙酯，CAS 登记号为 56274-95-4，分子式 C10H12O5，分子量 212.20，归类于有机化学品。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	56274-95-4
分子式	C10H12O5
分子量	212.20
熔点	302 °F (NTP, 1992)
LogP	log Kow = 1.80
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	有机化学品
类别	有机化学品

应用领域

有机化学品

该产品的下游应用集中在有机化学品。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

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

供货能力：没食子酸正丙酯备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

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

选择济南圣和化工有限公司的理由：产品信息透明（含 CAS、分子式、理化参数）、报价响应快（一个工作日内）、单证齐全（COA/MSS/质检资料按需提供）、支持批量与长期协议供货。如需没食子酸正丙酯以外的配套原料，也欢迎一并列出需求清单。

常见问题

没食子酸正丙酯的 CAS 号是多少？

没食子酸正丙酯的 CAS 号为 56274-95-4。

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。

没食子酸正丙酯有什么用途？

主要应用于有机化学品。

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

n-Propyl Gallate · CAS 56274-95-4 · C10H12O5. UNII 8D4SNN7V92. Melting Point: 302 °F (NTP, 1992); Melting Point: 147-149 °C; Melting Point: 150 °C.

Identification

CAS Registry Number	56274-95-4
PubChem CID	4947
Molecular formula	C10H12O5
IUPAC name	propyl 3,4,5-trihydroxybenzoate
UNII (FDA)	8D4SNN7V92
FEMA number	2947

Computed Descriptors

Molecular Weight	212.20
XLogP3	1.8
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	4
Exact Mass	212.06847348
Monoisotopic Mass	212.06847348
Topological Polar Surface Area	87
Heavy Atom Count	15
Formal Charge	0

Physical & Chemical Properties

Melting Point	302 °F (NTP, 1992)
Melting Point	147-149 °C
Melting Point	150 °C
Flash Point	368 °F (NTP, 1992)
Flash Point	187 °C (369 °F) - closed cup
Solubility	3.5 mg/mL at 25 °C
Density	1.21
LogP	log Kow = 1.80
LogP	1.80
LogP	1.8

Physical description & handling notes

Propyl gallate appears as fine white to creamy-white crystalline powder. Odorless or with a faint odor. Melting point 150 °C. Insoluble in water. Slightly bitter taste.
White to creamy-white, crystalline, odourless solid
Colorless or white odorless solid; [HSDB] Faintly beige crystals; [MSDSonline]
Solid
White to creamy-white crystalline powder
Colorless crystals

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTIOXIDANT, FLAVORING AGENT OR ADJUVANT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS ANTIOXIDANT: Food Additives JECFA ADI: 0-1.4 mg/kg bw (1993) The 1993 ADI was maintained at the forty-sixth meeting (1996) TRS 868-JECFA 46/15

GHS Hazard Classification

Reported hazard statements	H302, H317, H400, H410, H318, H411, H334

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H317: May cause an allergic skin reaction [Warning Sensitization, Skin]

Documented Uses

Used as antioxidant to prevent rancidity in fats, oils, and other food products; Also used as a laboratory reagent and stabilizer for synthetic vitamin A; [HSDB] Used as an antioxidant for cosmetics, ethers, emulsions, waxes, and transformer oils; [Merck Index] Contact dermatitis documented in a baker and confectioner; [Kanerva, p. 1830]
Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#1691]
It is used as an antioxidant for foods and cosmetics; especially fats, oils, emulsions, and waxes. It is also used in transformer oils and as a stabilizer for synthetic vitamin A.
Reactive peroxides in povidone often lead to degradation of oxidation-labile drugs. ... The antioxidants ascorbic acid, propyl gallate, and sodium sulfite reduced the peroxide concentration in povidone ... .
Synthetic antioxidants commonly used in food include butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), propyl gallate (PG), and tert-butylhydroquinone (TBHQ).
Food Additives -> ANTIOXIDANT -> JECFA Functional Classes

Synonyms

propyl gallate; 121-79-9; Propyl 3,4,5-trihydroxybenzoate; N-Propyl gallate; Progallin P; Gallic acid, propyl ester; Tenox PG; Nipagallin P; Gallic acid propyl ester; NIPA 49; Propylester kyseliny gallove; Benzoic acid, 3,4,5-trihydroxy-, propyl ester; FEMA No. 2947; n-Propyl 3,4,5-trihydroxybenzoate; 3,4,5-Trihydroxybenzene-1-propylcarboxylate; Gallate, Propyl

Frequently Asked Questions

What are the CAS number and molecular formula of n-Propyl Gallate?

CAS 56274-95-4; molecular formula C10H12O5; molecular weight — g/mol.

What other names is n-Propyl Gallate known by?

propyl gallate, 121-79-9, Propyl 3,4,5-trihydroxybenzoate, N-Propyl gallate, Progallin P, Gallic acid, propyl ester.

What is the regulatory status of n-Propyl Gallate?

Documented regulatory listings: FDA Substance added to food: ANTIOXIDANT, FLAVORING AGENT OR ADJUVANT; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; ANTIOXIDANT: Food Additives.

Is n-Propyl Gallate classified as hazardous?

Hazard statements reported: H302, H317, H400, H410, H318.

What are the key physical properties of n-Propyl Gallate?

Melting Point: 302 °F (NTP, 1992); Melting Point: 147-149 °C; Melting Point: 150 °C; Flash Point: 368 °F (NTP, 1992).

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.