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1.00165

Boric acid

Name: Boric acid
Brand: MM

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

동의어(들):

Orthoboric acid, Trihydroxidoboron

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:

H₃BO₃

CAS 번호:

10043-35-3

Molecular Weight:

61.83

NACRES:

NA.21

EC Index Number:

233-139-2

UNSPSC Code:

12352301

MDL number:

MFCD00011337

Assay:

99.5-100.5% (alkalimetric)

Concentration:

99.5-100.5%

Form:

solid

Grade:

ACS reagent

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도움 문의

속성

grade

ACS reagent

Quality Level

300

agency

reag. ISO, reag. Ph. Eur., suitable for SM 4500 - NH3, suitable for SM 5210

vapor pressure

2.6 mmHg ( 20 °C)

product line

EMSURE^®

assay

99.5-100.5% (alkalimetric)

form

solid

potency

2660 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rat)

concentration

99.5-100.5%

impurities

≤0.005% In methanol insoluble matter, ≤0.05% Nonvolatile with methanol

pH

3.8-4.8 (20 °C, 33 g/L in H₂O)

mp

160 °C (dec.) (lit.)

solubility

49.2 g/L

density

1.489 g/cm³ at 23 °C

bulk density

400‑600 kg/m³

anion traces

chloride (Cl^-): ≤0.0003%, phosphate (PO₄^3-): ≤0.0005%, sulfate (SO₄^2-): ≤0.0005%

cation traces

Ca: ≤0.002%, Fe: ≤0.0001%, Pb: ≤0.001%, heavy metals: ≤0.0005% ((ACS))

storage temp.

2-30°C

SMILES string

OB(O)O

InChI

1S/BH3O3/c2-1(3)4/h2-4H

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

설명

General description

Boric acid (EMSURE^® grade product) is used for regulated analyses and highly demanding lab applications. It also offers the highest quality and unmatched scope of specifications to give complete control of test conditions and eliminate uncertainties. EMSURE^® grade products comply with all international regulations and can be used in various applications.

Application

Boric acid can be used:

For the determination of the protein content of yogurt samples.
In the proximate analysis of seaweed Caulerpa sp. samples.

Features and Benefits

Most extensive specifications worldwide
Tested for up to 70 parameters
Extraordinary purity
Very low limiting values
Greater accuracy and control of analyses
Optimized for highly critical and demanding analyses
Ideal for method development
No interference or contamination due to unknown impurities

Analysis Note

Assay (alkalimetric): 99.5 - 100.5 %

Identity: passes test

Appearance of solution: passes test

pH-value (3.3 %, water): 3.8 - 4.8

Chloride (Cl): ≤ 0.0003 %

Phosphate (PO₄): ≤ 0.0005 %

Sulfate (SO₄): ≤ 0.0005 %

Solubility in ethanol: passes test

In methanol insoluble matter: ≤ 0.005 %

heavy metals (ACS) ≤ 0.0005%

Ca (Calcium): ≤ 0.002 %

Fe (Iron): ≤ 0.0001 %

Pb (Lead): ≤ 0.001 %

Organic impurities: passes test

Nonvolatile with methanol: ≤ 0.05 %

Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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Explore all of our products under

pictograms

GHS08

signalword

Danger

hcodes

H360FD

pcodes

P201 - P202 - P280 - P308 + P313 - P405 - P501

Hazard Classifications

Repr. 1B

저장 등급

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