Skip to Content
Merck
All Photos(1)

Documents

1.00163

Supelco

di-Boron trioxide

for silicate analysis

Synonym(s):

di-Boron trioxide, Boric anhydride

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
B2O3
CAS Number:
1303-86-2
Molecular Weight:
69.61
MDL number:
MFCD00011315
UNSPSC Code:
41116105
EC Index Number:
215-125-8
NACRES:
NB.21

Quality Level

100

form

solid

potency

3150 mg/kg LD50, oral (Rat)

pH

4 (25 °C, 10 g/L in H2O)

mp

450 °C

solubility

36 g/L

density

2.46 g/cm3 at 20 °C

bulk density

900‑1100 kg/m3

anion traces

chloride (Cl-): ≤0.002%

cation traces

Ca: ≤0.002%
Fe: ≤0.0005%
K: ≤0.003%
Mg: ≤0.0005%
Na: ≤0.003%
heavy metals (as Pb): ≤0.002%

storage temp.

2-30°C

InChI

1S/B2O3/c3-1-5-2-4

InChI key

JKWMSGQKBLHBQQ-UHFFFAOYSA-N

General description

for silicate analysis

Application

Di-boron trioxide - for silicate analysis

Analysis Note

Chloride (Cl)≤ 0.002 %Heavy metals (as Pb)≤ 0.002 %Ca (Calcium)≤ 0.002 %Fe (Iron)≤ 0.0005 %K (Potassium)≤ 0.003 %Mg (Magnesium)≤ 0.0005 %Na (Sodium)≤ 0.003 %Subst. not made volatile by methanolic hydrochloric acid (as SO₄)≤ 0.05 %

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360FD

Hazard Classifications

Repr. 1B

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service