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Methyl Borate Structure

Methyl Borate

Chemical Properties

Melting point -34 °C (lit.)
Boiling point 68-69 °C (lit.)
Density  0.932 g/mL at 20 °C (lit.)
vapor density  3.59 (vs air)
refractive index  n20/D 1.358(lit.)
Flash point 8 °F
storage temp.  Store at <= 20°C.
solubility  Miscible with tetrahydrofuran, ether, isoporpylamine, hexane and methanol.
form  Liquid
Specific Gravity 0.915
color  Colorless
Water Solubility  reacts
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Merck  14,9712
BRN  1697939
Dielectric constant 8.2(20℃)
Exposure limits ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3)
Stability Stable. Incompatible with oxidizing agents. Decomposes slowly in the presence of moisture, rapidly in water. Flammable.
InChIKey WRECIMRULFAWHA-UHFFFAOYSA-N
CAS DataBase Reference 121-43-7(CAS DataBase Reference)
NIST Chemistry Reference Boric acid, trimethyl ester(121-43-7)
EPA Substance Registry System Boric acid (H3BO3), trimethyl ester (121-43-7)

Safety Information

Hazard Codes  Xn,F,T
Risk Statements  11-21-23/25-36/37/38-10-36-61-60
Safety Statements  16-27-36/37/39-45-25-23-2-26-53
RIDADR  UN 2416 3/PG 2
WGK Germany  3
RTECS  ED5600000
21
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29209085
Hazardous Substances Data 121-43-7(Hazardous Substances Data)
Toxicity LD50 orally in rats: 6.14 ml/kg (Smyth)

MSDS

Usage And Synthesis

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