8.17074
Butylhydroxytoluene
Ph Eur, JPE, NF, E321
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: 800-645-5439
E-mail: Customer.CareDesk@emdchemicals.com
24 May 2013
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| Product information | |||
|---|---|---|---|
| Grade | NF, Ph Eur | ||
| Synonyms | BHT | ||
| Chemical formula | C15H24O | ||
| Molar mass | 220.36 | ||
| CAS number | 128-37-0 | ||
| Comments | Product Change Notification | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 220.36 | ||
| Specifications | |
|---|---|
| Solidification temperature | 69.2-70.0°C |
| Appearance | White to yellowish crystalline powder |
| Sulfated ash | 0.002% max |
| Mercury (Hg) | 0.0001% max |
| Purity (GC) | 99.0% min |
| tert-Butanol (GC) | 1000ppm max |
| Diisobutylene (GC) | 100ppm max |
| Related substances (TLC) | 0.5% max |
| Residual solvent(PhEur/ICP/USP)class3 propan-2-ol | 2000ppm max |
| Heavy metals | 0.001% max |
| Identity (IR Spectrum) | Passes |
| Appearance of solution (100g/L, Methanol) | Clear, color not more iintense than reference soln |
| Absorption maximum (Ethanol) | 277.0-279.0nm |
| Spec. Absorptivity A 1%/1cm (max 0.02g/l ethanol) | 81-88 |
| Other residual solvents (Ph.Eur/USP/ICH) | Excluded by manufacturing process |
| Organic volatile impurities (according to USP) | Conforms |
| Lead (Pb) | 0.0005% max |
| Arsenic (As) | 0.0003% max |
