If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
1.00165
Boric acid
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonyma:
Orthoboric acid, Trihydroxidoboron
Vybrat velikost
621,00 Kč
1 040,00 Kč
1 770,00 Kč
6 620,00 Kč
12 800,00 Kč
17 000,00 Kč
621,00 Kč
O této položce
Přeskočit na
Název produktu
Boric acid, for analysis EMSURE® ACS,ISO,Reag. Ph Eur
InChI
1S/BH3O3/c2-1(3)4/h2-4H
SMILES string
OB(O)O
InChI key
KGBXLFKZBHKPEV-UHFFFAOYSA-N
grade
ACS reagent
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)
Quality Level
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 (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
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Související kategorie
1 of 4
Tato položka | 31146 | B0394 | 339067 |
|---|---|---|---|
| grade ACS reagent | grade ACS reagent, puriss. p.a. | grade ACS reagent | grade - |
| assay 99.5-100.5% (alkalimetric) | assay ≥99.8% | assay ≥99.5% | assay 99.97% trace metals basis |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| agency reag. ISO, suitable for SM 4500 - NH3, reag. Ph. Eur., suitable for SM 5210 | agency USP/NF, reag. ISO, reag. Ph. Eur. | agency suitable for SM 4500 - NH3, suitable for SM 5210 | agency suitable for SM 5210 |
| form solid | form powder or crystals | form powder | form powder or crystals |
| storage temp. 2-30°C | storage temp. - | storage temp. - | storage temp. - |
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
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
General description
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Repr. 1B
Skladovací třída
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
Osvědčení o analýze (COA)
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Související obsah
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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