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Merck 108387 0500 Tris(Hydroxymethyl)Aminomethane Tris Lab 500 GR.
Merck 108387 0500 Tris(Hydroxymethyl)Aminomethane Tris Lab 500 GR.

Merck 108387 0500 Tris(Hydroxymethyl)Aminomethane Tris Lab 500 GR.

Ürün Kodu:1083870500
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Ürün Açıklaması
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Description
Catalogue Number108387
SynonymsTrometamol, Aminomethylidine trimethanol, 2-Amino-2-hydroxymethyl-1.3-propanediol, TRIS-buffer
DescriptionTris(hydroxymethyl)aminomethane
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Product Information
CAS number77-86-1
EC number201-064-4
Hill FormulaC₄H₁₁NO₃
Chemical formulaH₂NC(CH₂OH)₃
Molar Mass121.14 g/mol
HS Code2922 19 00
Structure formula ImageStructure formula Image
Quality LevelMQ100
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Applications
ApplicationTris(hydroxymethyl)aminomethane TRIS LAB. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.
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Physicochemical Information
Boiling point219 - 220 °C (13.3 hPa)
Density1.32 g/cm3 (20 °C)
Melting Point169 °C
pH value10.2 - 10.6 (6 g/l, H₂O, 20 °C)
Vapor pressure<0.1 hPa (20 °C)
Bulk density840 kg/m3
Solubility678 g/l
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Toxicological Information
LD 50 oralLD50 Rat > 5000 mg/kg
LD 50 dermalLD50 Rat > 5000 mg/kg
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Safety Information according to GHS
RTECSTY2900000
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
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Storage and Shipping Information
StorageNoTempLimit
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Specifications
Assay (acidimetric, calc. on anhydrous substance)99.8 - 100.1 %
Identity (IR-spectrum)conforms
In water insoluble matter≤ 0.005 %
Absorbance (290 nm; 40 %; 1 cm; water)≤ 0.2
Chloride (Cl)≤ 0.001 %
Sulfate (SO₄)≤ 0.005 %
Heavy metals (as Pb)≤ 0.0005 %
Fe (Iron)≤ 0.0005 %
Sulfated ash≤ 0.05 %
Water (according to Karl Fischer)≤ 0.5 %

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