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Tributyl borate

Tributyl borate
Tributyl borate structure
Chemical Name:
Tributyl borate
borester2;Borester 2;n-Butoxide;(n-C4H9O)3B;Buty borate;BUTYL BORATE;N-BUTYLBORATE;Tributy borate;Triutyl borate;Tributoxyboron
Molecular Formula:
Formula Weight:
MOL File:

Tributyl borate Properties

Melting point:
−70 °C(lit.)
Boiling point:
114-115 °C12 mm Hg(lit.)
0.853 g/mL at 25 °C(lit.)
vapor density 
7.95 (vs air)
refractive index 
n20/D 1.409(lit.)
Flash point:
200 °F
Specific Gravity
Clear colorless
Water Solubility 
Moisture Sensitive
Stables, but reacts rapidly with moisture, water. Reacts vigorously with oxidizing agents. Incompatible with strong acids.
CAS DataBase Reference
688-74-4(CAS DataBase Reference)
NIST Chemistry Reference
Boric acid, tributyl ester(688-74-4)
EPA Substance Registry System
Boric acid (H3BO3), tributyl ester(688-74-4)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38-36/38
Safety Statements  26-36/37/39-37/39
RIDADR  3272
WGK Germany  3
RTECS  ED4900000
HazardClass  3
PackingGroup  III
HS Code  29209090
Hazardous Substances Data 688-74-4(Hazardous Substances Data)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Tributyl borate price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 90795 Tributyl borate ≥99.0% (T) 688-74-4 100ml $77.8 2018-11-13 Buy
Sigma-Aldrich 90795 Tributyl borate ≥99.0% (T) 688-74-4 500ml $155 2018-11-13 Buy
TCI Chemical B0518 Tributyl Borate >99.0%(T) 688-74-4 25mL $18 2018-11-22 Buy
TCI Chemical B0518 Tributyl Borate >99.0%(T) 688-74-4 100mL $44 2018-11-22 Buy
Alfa Aesar A19322 Tri-n-butyl borate, 98% 688-74-4 100ml $47.1 2018-11-13 Buy

Tributyl borate Chemical Properties,Uses,Production

Chemical Properties

Water-white liquid. Distillation range, 85% distills between 135C and 140C (40 mm Hg). Hydrolyzes rapidly; miscible with common organic liquids. Combustible.


Welding fluxes, intermediate in preparation of borohydrides, flame retardant for textiles (with boric acid).

Air & Water Reactions

Rapidly decomposes in water.

Reactivity Profile

Borates behave similarly to esters in that they react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters/borates with alkali metals and hydrides. Reacts vigorously with oxidizing materials. .

Health Hazard

ACUTE/CHRONIC HAZARDS: Toxic; may emit toxic fumes when heated to decomposition or on contact with acid or acid fumes, local irritant.

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. An eye irritant. Flammable when exposed to heat, flame, or oxiduers. To fight fire, use foam, CO2, dry chemical. When heated to decomposition or on contact with acid or acid fumes it can emit toxic fumes; on contact with oxidizing materials it can react vigorously. See also BORANES and BORON COMPOUNDS.

Purification Methods

The chief impurities are n-butyl alcohol and boric acid (from hydrolysis). It must be handled in a dry-box and can readily be purified by fractional distillation, under reduced pressure. [O’Brien Aust J Chem 10 91 1957, Gerrard & Lappert J Chem Soc 2545, 2547 1951, Beilstein 1 IV 1544.]

Tributyl borate Preparation Products And Raw materials

Raw materials

Preparation Products

Tributyl borate Suppliers

Global( 203)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20786 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
+86-571-8723 8903
+86-571-87063838 CHINA 669 58
Qingdao Hongjin Trading Co., Ltd.
0532-83657313 CHINA 225 58
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24118 58
Haihang Industry Co.,Ltd
+86 531 8582 1093 CHINA 4525 58
career henan chemical co
+86-371-86658258 CHINA 19997 58
Shanghai Zheyan Biotech Co., Ltd.
18017610038 CHINA 3624 58
Shanghai Nanxiang Reagent Co., Ltd. 0086-021-39127448 39125199
0086-021-39127431 China 33 65

View Lastest Price from Tributyl borate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-21 Tributyl borate
US $1.00 / kg 1kg 99% as request career henan chemical co

Tributyl borate Spectrum

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