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| 3-METHYLSULFANILIC ACID | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 98-33-9 |
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| EINECS NO. | 202-658-6 | |
| FORMULA | H2NC6H3(CH3)SO3H | |
| MOL WT. | 187.22 | |
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H.S. CODE |
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| TOXICITY | ||
| SYNONYMS | 4-Amino-3-methylbenzenesulfonic Acid;
OTS; | |
| 5-磺酸-2-氨基甲苯; 3-Methylsulfanilsäure (German); ácido 3-Metilsulfanílico (Spanish); Acide 3-méthylsulfanilique (French); 3-Methylsulphanilic acid; 6-Aminotoluene-3-sulfonic acid; 2-Aminotoluene-5-sulfonic acid; | ||
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | white to grey powder | |
| MELTING POINT |
290 C | |
| BOILING POINT |
Decomposes | |
| SPECIFIC GRAVITY |
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| SOLUBILITY IN WATER |
Insoluble | |
| pH | ||
| VAPOR DENSITY | ||
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NFPA RATINGS |
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AUTOIGNITION |
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REFREACTIVE INDEX |
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| FLASH POINT |
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| STABILITY | Stable under ordinary conditions; | |
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APPLICATIONS |
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3-Methylsulphanilic acid is a off-white to grey powder or crystals; insoluble in
water, chorobenzene, slightly soluble in hot water, soluble in alkaline
solution, ethyl alcohol and ether, melts at 290 C. It is used as an intermediate
for colorants (dyes, optical brightening agents), medicines and other organic
synthesis. 2B ACID (4-Amino-2-Chlorotoluene-5-Sulfonic Acid, CAS#: 88-51-7), 4B
ACID (6-Amino-m-toluenesulfonic acid, CAS #: 88-44-8) are analogues. |
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| SALES SPECIFICATION | ||
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APPEARANCE |
white to grey powder | |
| ASSAY |
98.0% min | |
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WATER |
0.5% max | |
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o-TOLUIDINE |
0.5% max | |
| INSOLUBLES | 0.5% max (in alkali) | |
| TRANSPORTATION | ||
| PACKING | 25kgs in bag | |
| HAZARD CLASS | ||
| UN NO. | ||
| OTHER INFORMATION | ||
| Hazard Symbols: T, Risk Phrases: 45-34, Safety Phrases: 53-26-36/37/39-45 | ||
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