1.00165
Boric acid
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonym(s):
Orthoboric acid, Trihydroxidoboron
About This Item
grade
ACS reagent
Quality Level
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)
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 (PO43-): ≤0.0005%
sulfate (SO42-): ≤0.0005%
cation traces
Ca: ≤0.002%
Fe: ≤0.0001%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
SMILES string
OB(O)O
InChI
1S/BH3O3/c2-1(3)4/h2-4H
InChI key
KGBXLFKZBHKPEV-UHFFFAOYSA-N
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General description
Application
- 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
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 (as Pb): ≤ 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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Repr. 1B
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
Certificates of Analysis (COA)
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