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8.21180

Trimethyl borate

for synthesis

Synonym(s):

Trimethyl borate

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About This Item

Linear Formula:
(CH3O)3B
CAS Number:
121-43-7
Molecular Weight:
103.91
UNSPSC Code:
12352108
EC Index Number:
204-468-9
NACRES:
NA.22
MDL number:
MFCD00008346
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vapor pressure

147.9-148 hPa ( 20 °C)

Quality Segment

200

assay

≥99.0% (acidimetric)

form

liquid

autoignition temp.

305 °C

potency

6140 mg/kg LD50, oral (Rat), 1845 mg/kg LD50, skin (Rabbit)

reaction suitability

reagent type: reductant

refractive index

n20/D 1.3568

bp

67-69 °C/1013 hPa

mp

-31 °C

transition temp

flash point -11 °C

density

0.932 g/cm3 at 20 °C

SMILES string

B(OC)(OC)OC

InChI

1S/C3H9BO3/c1-5-4(6-2)7-3/h1-3H3

InChI key

WRECIMRULFAWHA-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Density (d 20 °C/ 4 °C): 0.931 - 0.933
Identity (IR): passes test

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Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Repr. 1B - STOT SE 1

target_organs

Eyes

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

12.2 °F - (own results)

flash_point_c

-11 °C - (own results)

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