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Merck 100165 Boric acid for analysis EMSURE® ACS, ISO, Reag. Ph Eur 1 Kg

Marka: Merck

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MERCK 100165 Boric acid for analysis EMSURE® ACS, ISO,Reag. Ph Eur  1 kg
Catalogue Number 100165
Synonyms Orthoboric acid, Trihydroxidoboron

 

Product Information 
CAS number 10043-35-3
EC index number 005-007-00-2
EC number 233-139-2
Grade ACS,ISO,Reag. Ph Eur
Hill Formula BH₃O₃
Chemical formula H₃BO₃
Molar Mass 61.83 g/mol
HS Code 2810 00 90

 

Physicochemical Information 
Density 1.44 g/cm³ (20 °C)
Melting Point 185 °C (decomposition)
pH value 3.8 - 4.8 (33 g/l, H₂O, 20 °C)
Vapor pressure < - 0.0000001 hPa (25 °C)
Bulk density 400 - 600 kg/m3
Solubility 46.5 g/l (20 °C)

 

Toxicological Information 
LD 50 oral LD50 Rat 2660 mg/kg
LD 50 dermal LD50 Rat > 2000 mg/kg

 

Safety Information according to GHS 
Hazard Pictogram(s)  
Hazard Statement(s) H360FD: May damage fertility. May damage the unborn child.
Precautionary Statement(s) P201: Obtain special instructions before use.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal Word Danger
RTECS ED4550000
Storage class 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
WGK WGK 1 slightly water endangering
Disposal 28
Aqueous solutions: Container D.

 

Safety Information 
Hazard Symbols  Toxic 
Categories of danger toxic for reproduction
R Phrase R 60-61
May impair fertility.May cause harm to the unborn child.
S Phrase S 53-45
Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

 

Storage and Shipping Information 
Storage Store at +5 °C to +30 °C.

 

Specifications 
Specifications  
Assay (alkalimetric) 99.5 - 100.5 %
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 %
Sulphate (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