DIMETHYL YELLOW pH Indicator grade |
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| HomeLaboratory ChemicalspH Indicator (Solid) |
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| SYNONYMS : P-DIMETHYLAMINOAZOBENZENE, 4-DIMETHYLAMINOAZOBENZENE, N,N-DIMETHYL-4-PHENYLAZOANILINE, N,N-DIMETHYL-4-AMINOAZOBENZENE, BUTTER YELLOW, SOLVENT YELLOW 2 |
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| Article No. |
03430 |
| Grade |
pH Indicator grade |
| Purity |
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| CAS No. |
60-11-7 |
| Molecular Formula |
C14H15N3 |
| Molecular Weight |
225.30 |
| H.S. Code |
2927.0000 |
| Shelf Life |
5 Years |
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| C.I.No.11020 |
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| Specifications |
| Appearance |
Yellow powder |
| Melting point |
110 - 116 deg C |
| Transition range pH 3.0 - pH 4.0 |
Pink - brownish to yellow |
| Absorption Max λ1 (buffer 3.0) |
508 - 511 nm |
| Absorption Max λ2 (buffer 4.0) |
455 - 460 nm |
| Absorption Max λ3 (Ethanol) |
403 - 407 nm |
| Specific absorptivity A1% 1 cm (λ3 max ;0.005 g/l;ethanol calc.on dried substance) |
1100 - 1300 |
| Loss on drying (40 deg C 1 hpa) |
Max 5% |
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| Packings |
| 00025 25 g |
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| 00100 100 g |
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| Safety Information
and Hazard Symbols |
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Symbol: GHS06, GHS08
Signal Word: Danger
UN No.: 2811
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301-H351
Precaution Statement: P281-P301 + P310 |
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| Revision Date
: 20-Dec-2013 |
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