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Merck
모든 사진(1)

주요 문서

모든 문서 보기

71997

Sigma-Aldrich

Borax Anhydrous

BioUltra, anhydrous, ≥99%

동의어(들):

Sodium tetraborate

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모든 사진(1)

About This Item

Linear Formula:
Na2B4O7
CAS Number:
1330-43-4
Molecular Weight:
201.22
EC Number:
215-540-4
MDL number:
MFCD00081185
UNSPSC 코드:
12352302
PubChem Substance ID:
329763686
NACRES:
NA.25
solubility:
H2O: 0.1 M at 20 °C, clear, colorless

Grade

reagent grade

Quality Level

200

제품 라인

BioUltra

분석

≥99%

양식

crystals

불순물

insoluble matter, passes filter test

손실

≤1% loss on drying, 20 °C (HV)

pH

9.0-10.5 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

음이온 미량물

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

양이온 미량물

Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 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
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV 흡수

λ: 260 nm Amax: ≤0.020
λ: 280 nm Amax: ≤0.015

SMILES string

[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1

InChI key

UQGFMSUEHSUPRD-UHFFFAOYSA-N

유사한 제품을 찾으십니까? 방문 제품 비교 안내

법적 정보

픽토그램

Health hazardExclamation mark
GHS08,GHS07

신호어

Danger

유해 및 위험 성명서

H319,H360FD

Hazard Classifications

Eye Irrit. 2 - 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

개인 보호 장비

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

가장 최신 버전 중 하나를 선택하세요:

시험 성적서(COA)

Lot/Batch Number
BCCG6523
BCCD7933
BCBW8475
BCBV3707
BCBT6698

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COA 검색

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문서 라이브러리 방문

이미 열람한 고객

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Sodium tetraborate decahydrate puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%

Sigma-Aldrich

11625

Sodium tetraborate decahydrate

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