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A4505

Sigma-Aldrich

Ammonium pentaborate tetrahydrate

≥99%

Synonym(s):

Ammonium borate tetrahydrate

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About This Item

Linear Formula:
(NH4)B5O8 · 4H2O
CAS Number:
12046-04-7
Molecular Weight:
272.15
EC Number:
234-521-1
UNSPSC Code:
12352302
PubChem Substance ID:
277419387
NACRES:
NA.23

Quality Level

200

Assay

≥99%

form

powder

InChI

1S/5BO3.9H3N.4H2O/c5*2-1(3)4;;;;;;;;;;;;;/h;;;;;9*1H3;4*1H2/q5*-3;;;;;;;;;;;;;/p+9

InChI key

OJAJAQRDJBKPPU-UHFFFAOYSA-W

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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