• 丙二醇  Propylene Glycol,Chongqing Guangyi Chemical Co., Ltd,丙二醇  Propylene Glycol
  • 丙二醇  Propylene Glycol,Chongqing Guangyi Chemical Co., Ltd,丙二醇  Propylene Glycol

丙二醇 Propylene Glycol

No.CAS 54-55-6
1,2‑Propanediol acts as a solvent, humectant and antifreeze agent. It is applied in food additives, cosmetic formulations and pharmaceutical excipients. It also serves as raw material for polyester resins, plasticizers and industrial heat‑transfer fluids.
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  • 丙二醇  Propylene Glycol,Chongqing Guangyi Chemical Co., Ltd,丙二醇  Propylene Glycol

Description

  1. 产品标识 / Product Identification

产品名称 Product Name

1,2-丙二醇 / Propylene Glycol (1,2-Propanediol)(1,2-丙二醇、丙二醇、MPG / 1,2-Propanediol, Propane-1,2-diol, MPG)

别名 Synonyms

1,2-丙二醇、丙二醇、MPG / 1,2-Propanediol, Propane-1,2-diol, MPG

化学式 Formula

C₃H₈O₂

分子量 Molecular Weight

76.10 g/mol

CAS 登记号 CAS No.

57-55-6

EC / EINECS 号

200-338-0

食品添加剂号 E-Number

E 1520

海关编码 HS Code

2905.32

PubChem CID

1030

InChIKey

DNIAPMSPPWPWGF-UHFFFAOYSA-N

主要用途 Primary Use

不饱和聚酯/PU 树脂原料、防冻液、保湿剂、溶剂、食品/化妆品添加剂(E1520) / UPR/PU, antifreeze, humectant, solvent, food/cosmetic additive



  1. 组分信息 / Composition

主要成分 Main Component

1,2-丙二醇 C₃H₈O₂ ≥ 99.5%(工业级)/ 1,2-Propanediol C₃H₈O₂ ≥ 99.5% (industrial grade)

杂质 Impurities

水分、酸度、灼烧残渣、铅 / Moisture, Acidity, Residue on ignition, Lead



  1. 理化性质 / Physical & Chemical Properties

外观 Appearance

无色透明粘稠液体,几乎无味 / Colorless, transparent viscous liquid, nearly odorless

分子量 MW

76.10 g/mol

熔点 MP

−59 °C

沸点/分解 BP / Decomp.

188.2 °C(常压)/ 188.2 °C (atm.)

密度 Density

1.036 g/cm³ @ 25 °C

水中溶解度 Solubility (H₂O)

与水完全混溶 / Miscible with water

其他溶剂溶解度 in other

与乙醇、乙醚、丙酮、氯仿混溶 / Miscible with ethanol, ether, acetone, chloroform

pH

6.0 – 8.0(水溶液,近中性)/ 6.0–8.0 (aqueous, near neutral)

pKa

≈ 14.9(醇羟基,25 °C)/ ~14.9 (alcoholic OH, 25 °C)

晶体结构 Crystal Structure

—(液态) / Liquid

折射率 Refractive Index

nD ≈ 1.432(20 °C)

吸湿/潮解 Hygroscopicity

有吸湿性 / Hygroscopic



  1. 典型产品规格 / Typical Product Specifications (Industrial Grade)

项目 Item

典型值 Typical

测试方法 Method

丙二醇含量 PG content

≥ 99.5%

GC / Titration

初馏点 Initial boiling point

≥ 185 °C

GB/T 7534

干点 Dry point

≤ 189 °C

GB/T 7534

相对密度 Relative density

1.0350 – 1.0370 (25/25 °C)

GB/T 4472

水分 Water

≤ 0.20%

GB/T 6283 / Karl Fischer

酸度 Acid content

≤ 1.67 mL

滴定 / Titration

灼烧残渣 Burning residue

≤ 0.007%

重量法 / Gravimetric

铅 Pb

≤ 1 mg/kg

AAS / ICP

注:上述指标参考 GB 29216-2012(食品添加剂 丙二醇)及工业级供应商公开 TDS。食品/医药级须符合 GB 29216、USP/FCC。具体数值以重庆广益化工出厂检验单(COA)为准。 / Per GB 29216-2012 and supplier TDS. Food/pharma grade per GB 29216, USP/FCC. Values per batch COA.

  1. 用途 / Applications
  • 树脂工业:不饱和聚酯、环氧树脂、聚氨酯原料

Resin industry: unsaturated polyester, epoxy, polyurethane feedstock

  • 防冻液与传热介质:低毒替代乙二醇

Antifreeze & heat-transfer fluid: low-toxicity alternative to ethylene glycol

  • 化妆品与日化:保湿剂、溶剂、香精载体

Cosmetics & personal care: humectant, solvent, fragrance carrier

  • 食品:E1520 保湿剂、溶剂、抗结剂(须食品级)

Food: E1520 humectant, solvent, anti-caking agent (food grade required)

  • 烟草:保湿剂、电子烟液载体

Tobacco: humectant, e-liquid carrier

  • 制药:口服液/注射剂溶剂、赋形剂

Pharma: solvent for oral/injectable, excipient

  • UPR/PU 树脂、防冻、保湿、溶剂、食品/医药添加剂

UPR/PU resin, antifreeze, humectant, solvent, food/pharma additive

  1. 储存与操作 / Storage & Handling
  • 密封存放于阴凉、干燥、通风处,远离热源与火源

Store sealed in cool, dry, ventilated place; away from heat and ignition

  • 与强氧化剂分开存放

Segregate from strong oxidizers

  • 操作时佩戴防护手套、护目镜

Wear protective gloves and goggles when handling

  • 按一般化学品管理;泄漏用砂土/水稀释收容

Manage as general chemical; contain spills with sand / dilute with water

  1. 安全信息 / Safety Information

GHS 分类 GHS Classification

未列入强制 GHS 分类(低毒、无刺激性,按一般化学品管理)/ Not classified; low hazard

危害声明 H-statements

—(常规浓度无显著危害声明)/ — (no significant hazard statement at normal concentration)

防范说明 P-statements

P264, P280, P305+P351+P338(常规防护即可)/ P264, P280, P305+P351+P338 (routine PPE)

NFPA 704

健康 Health 0 / 易燃 Flammability 1 / 反应 Reactivity 0

急性毒性 Acute Toxicity

低毒:LD₅₀(大鼠,经口) ≈ 20000 mg/kg / Very low toxicity: LD₅₀(oral,rat) ≈ 20000 mg/kg

危险反应 Hazardous Reaction

与强氧化剂反应;高温分解 / Reacts with strong oxidizers; decomposes on heating

灭火 Fire-fighting

可燃液体;用泡沫、干粉、CO₂、雾状水灭火 / Combustible liquid; foam, powder, CO₂, water spray



  1. 包装 / Packaging

215 kg / 220 kg 闭口铁桶或塑料桶;IBC 吨桶、ISO TANK 可定制。 215/220 kg drums; IBC/ISO tank on request.

  1. 保质期 / Shelf Life

在原包装、密封条件下 24 个月。 24 months in original sealed storage.

  1. 法规与合规 / Regulatory & Compliance
  • 工业用途按一般化学品管理;出口欧盟须满足进口方 REACH 义务(EC 200-338-0)

Industrial use as general chemical; EU exports subject to REACH (EC 200-338-0)

  • 食品级须符合 GB 29216 / FCC / E 1520 并取得 HALAL/KOSHER 资质

Food grade must comply with GB 29216 / FCC / E 1520 and hold HALAL/KOSHER

  • 具体运输分类请以最新 SDS / IATA / IMDG 为准

Transport class per latest SDS / IATA / IMDG

 

免责声明 / Disclaimer:本技术数据表仅供参考,不构成任何担保。数据基于编制时可得的公开信息,重庆广益化工有限公司不对因使用本表所产生的任何后果承担责任。实际技术参数请以每批次出厂 COA 为准。 This TDS is for reference only and does not constitute a warranty. Values per batch COA prevail.

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