Tris(hydroxymethyl)aminomethane
- Product NameTris(hydroxymethyl)aminomethane
- CAS77-86-1
- CBNumberCB8336488
- MFC4H11NO3
- MW121.14
- EINECS201-064-4
- MDL NumberMFCD00004679
- MOL File77-86-1.mol
- MSDS FileSDS
Chemical Properties
Melting point | 167-172 °C(lit.) |
Boiling point | 219-220 °C10 mm Hg(lit.) |
Density | 1,353 g/cm3 |
vapor pressure | 0.0267 hPa (20 °C) |
refractive index | 1.4170 (estimate) |
Flash point | 219-220°C/10mm |
storage temp. | 20-25°C |
solubility | H2O: 4 M at 20 °C, clear, colorless |
form | crystalline |
color | white |
PH Range | 7 - 9 |
PH | 10.5-12.0(4 m in water, 25 °C) |
pka | 8.1(at 25℃) |
Water Solubility | 550 g/L (25 ºC) |
λmax | λ: 260 nm Amax: 0.10 λ: 280 nm Amax: 0.08 |
Sensitive | Hygroscopic |
Merck | 14,9772 |
BRN | 741883 |
Safety
Symbol(GHS) | ||||||||||
Signal word | Warning | |||||||||
Hazard statements | H315-H319-H335 | |||||||||
Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
Hazard Codes | Xi | |||||||||
Risk Statements | 36/37/38 | |||||||||
Safety Statements | 26-36-37/39-24/25-23 | |||||||||
WGK Germany | 2 | |||||||||
RTECS | TY2900000 | |||||||||
F | 3 | |||||||||
TSCA | Yes | |||||||||
HazardClass | IRRITANT | |||||||||
HS Code | 29221980 | |||||||||
Hazardous Substances Data | 77-86-1(Hazardous Substances Data) | |||||||||
Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rat > 5000 mg/kg | |||||||||
NFPA 704: |
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Preparation Products And Raw materials
Tris(hydroxymethyl)aminomethane Supplier
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