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Triethyl borate

Triethyl borate structure

CAS No:
150-46-9
Formula:
C6H15BO3
Chemical Name:
Triethyl borate
Synonyms:
Boric acid (H3BO3),triethyl ester;Ethyl borate ((EtO)3B);Triethyl borate;Boron ethoxide;Triethoxyborane;Triethoxyboron;Boron triethoxide;Boron ethoxide (B(OEt)3);NSC 2055;32692-78-7
Categories:
Chemical Reagents > Organic Reagents

Description

Liquid

Triethyl borate is a member of the class of borate esters obtained by the formal condensation of three equivalents of ethanol with boric acid. It derives from an ethanol.

Triethyl borate Basic Attributes

Molecular Weight：

145.99

Exact Mass：

145.99

BRN：

1699052

EC Number：

205-760-9

UNII：

WXW2J80ORX

NSC Number：

2055

UN Number：

1176

DSSTox ID：

DTXSID2041674

HScode：

29209085

Characteristics

PSA：

27.7

XLogP3：

3.05

Appearance：

Colorless Liquid

Density：

0.858 g/cm³

Melting Point：

-84.8 °C

Boiling Point：

120 °C

Flash Point：

52 °F

Refractive Index：

1.374

Water Solubility：

Decomposes in water;Miscible with alcohol and ether.

Storage Conditions：

0-6°C

Vapor Pressure：

16.43 mmHg

Vapor Density：

5.04 (vs air)

Toxicity：

Oral-Mouse LD50: 2100 mg/kg

Flammability characteristics：

Flammable; decomposes flammable ethanol and toxic boric acid in contact with water

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1176 3/PG 2

wgk germany：

hazard class code：

safety instructions：

7-16-23-9-33

RTECS Number：

ED5075000

Marks：

Storage features：

Treasury is ventilated, low temperature and dry; stored and transported separately from oxidant

Explosive characteristics：

Explosive high temperature

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501

Hazard Statements：

H225

GHS Classification：

|Danger|H225: Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501

Toxicity

Toxicity class：

moderately toxic

Triethyl borate Use and Manufacturing

Uses

Synthesis of other organoboron compounds. High purity boron raw material. Plasticizer. Manufacturing semiconductor components. Welding flux. preservative. Disinfectant. Antiknock agent.

Adhesives and sealant chemicals

Production

25,000 - 100,000 lb

Manufacturing Info：

Computer and electronic product manufacturing|Boric acid (H3BO3), triethyl ester: ACTIVE

Computed Properties

Molecular Weight:145.99
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:6
Exact Mass:146.1114245
Monoisotopic Mass:146.1114245
Topological Polar Surface Area:27.7
Heavy Atom Count:10
Complexity:55.7
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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