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| Sodium bisulfite | CAS 7631-90-5 | ||
| NaHSO3 | RTECS VZ2000000 | ||
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Synonyms & Trade Names Monosodium salt of sulfurous acid, Sodium acid bisulfite, Sodium bisulphite, Sodium hydrogen sulfite |
DOT ID & Guide 2693 154 (solution) |
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Exposure Limits |
NIOSH REL: TWA 5 mg/m3 | ||
| OSHA PEL†: none | |||
| IDLH N.D. | Conversion | ||
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Physical Description White crystals or powder with a slight odor of sulfur dioxide. |
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MW: 104.1 |
BP: Decomposes |
MLT: Decomposes |
Sol: 29% |
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VP: ? |
IP: NA |
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Sp.Gr: 1.48 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Heat (decomposes) [Note: Slowly oxidized to the sulfate on exposure to air.] |
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Measurement Methods NIOSH 0500 |
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Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Breathing: Fresh air Swallow: Medical attention immediately |
| Respirator Recommendations To be added later | |
| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, mucous membrane | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |