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structure of 121-43-7

Trimethyl Borate(CAS 121-43-7)

CAS No.: 121-43-7 Brand: MolBest
M. Ft.: C3H9BO3 Cat. No: G9397519
M. Wt.: 103.91 MDL: MFCD00008346
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2920909090 UN No.: UN 2416 3 /PG II
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Applications of 121-43-7

Trimethyl borate has several applications across different fields:

  • Organic Synthesis: It serves as a crucial reagent in the preparation of boronic acids used in cross-coupling reactions.
  • Production of Sodium Borohydride: As mentioned earlier, it is the main precursor in the synthesis of sodium borohydride.
  • Fire Retardant: Trimethyl borate has been explored for use as a fire retardant due to its ability to form a protective layer when burned.
  • Additive in Polymers: It has been examined as an additive to enhance certain properties of polymers.

Physical and chemical properties of 121-43-7

Boiling Point

68 °C

BRN

1697939

Decomposition

When heated to decomposition it emit acrid smoke and irritating fumes.

Density

Relative density (water = 1): 0.915

Exact Mass

104.064476

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)

Flash Point

- 7 °C

Index of Refraction

Index of refraction: 1.3568 at 20 °C/D

LogP

-1.9

Melting Point

-29 °C

Merck

14,9712

Molecular Formula

C3H9BO3

Molecular Weight

103.913

PSA

27.69000

Sensitivity

Moisture Sensitive

Stability

Stable. Incompatible with oxidizing agents. Decomposes slowly in the presence of moisture, rapidly in water. Flammable.

Storage condition

Store at <= 20°C.

Vapour density

Relative vapor density (air = 1): 3.6

Vapour Pressure

Vapor pressure, kPa at 25 °C: 18

Water Solubility

reacts

Spectrums of 121-43-7

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 121-43-7

Retrosynthesis analysis of 121-43-7


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Download SDS of 121-43-7

Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor
H226 Flammable liquid and vapor
H301 Toxic if swallowed
H311 Toxic in contact with skin
H312 Harmful in contact with skin
H319 Causes serious eye irritation
H331 Toxic if inhaled
H360 May damage fertility or the unborn child
H360FD May damage fertility; May damage the unborn child
H370 Causes damage to organs

Safety Data Sheet

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