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15663

Sigma-Aldrich

Acido borico

BioUltra, for molecular biology, ≥99.5% (T)

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About This Item

Formula condensata:
H3BO3
Numero CAS:
10043-35-3
Peso molecolare:
61.83
Numero CE:
233-139-2
Numero MDL:
MFCD00011337
Codice UNSPSC:
12161700
eCl@ss:
38120104
ID PubChem:
57647513
NACRES:
NA.25

Grado

for molecular biology

Livello qualitativo

200

Tensione di vapore

2.6 mmHg ( 20 °C)

Nome Commerciale

BioUltra

Saggio

≥99.5% (T)

Forma fisica

powder or crystals

tecniche

DNA purification: suitable
RNA purification: suitable

Impurezze

DNases, none detected
 RNases, none detected
 insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected
<0.05% non-volatile substances in MeOH/HCl

Perdita

≤0.5% loss on drying, 20 °C (HV)

pH

3.6-4.4 (25 °C, saturated solution in H2O)

Punto di fusione

160 °C (dec.) (lit.)

Solubilità

H2O: 1 M, clear, colorless (hot)

Densità

1.49 g/cm3 at 23 °C

Anioni in tracce

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤5 mg/kg

Cationi in tracce

Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

Stringa SMILE

OB(O)O

λ

1 M in H2O

Assorbanza UV

λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.010

InChI

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

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Applicazioni

Boric acid can be used to study molecular biology, DNA and RNA purification, biological buffers and molecular biology reagents. Boric acid has been used to test the toxic effects of boron on growth and antioxidant system parameters of maize (Zea mays L.) roots. Boric acid has also been used to study the effect of time period after boric acid injection on (10)B absorption in different regions of adult male rat′s brain.

Altre note

Running buffer component with methylmercuric hydroxide gels; Buffer component in DNA digest analysis with capillary electrophoresis

Pittogrammi

Health hazard
GHS08

Avvertenze

Danger

Indicazioni di pericolo

H360FD

Classi di pericolo

Repr. 1B

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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A Paulus et al.
Electrophoresis, 14(1-2), 27-35 (1993-01-01)
DNA digest analysis with polymer-filled capillaries in capillary electrophoresis is described. The samples analyzed consisted of commercially available standards including a 100 base pair ladder with repeating units up to 2000 base pairs. Three DNA digests covered the most common
Electrophoresis in agarose and acrylamide gels.
R C Ogden et al.
Methods in enzymology, 152, 61-87 (1987-01-01)
Akie Shimotohno et al.
Plant & cell physiology, 56(4), 620-630 (2015-02-12)
Boron, an essential micronutrient, is transported in roots of Arabidopsis thaliana mainly by two different types of transporters, BORs and NIPs (nodulin26-like intrinsic proteins). Both are plasma membrane localized, but have distinct transport properties and patterns of cell type-specific accumulation
Jing Li et al.
American journal of physiology. Cell physiology, 306(10), C943-C960 (2014-03-22)
The human solute carrier (SLC26) family of anion transporters consists of 10 members (SLCA1-11, SLCA10 being a pseudogene) that encode membrane proteins containing ~12 transmembrane (TM) segments with putative N-glycosylation sites (-NXS/T-) in extracellular loops and a COOH-terminal cytosolic STAS
Hye Ryeo Lee et al.
Journal of chromatography. A, 1346, 117-122 (2014-05-09)
In liquid phase microextraction, high enrichment factors can be obtained using an acceptor phase of small volume. By hanging an acceptor drop at the separation capillary tip, single drop microextraction (SDME) can be in-line coupled with capillary electrophoresis (CE). The
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