| Agent Name |
Chlorine dioxide |
|---|
| CAS Number |
10049-04-4 |
|---|
| Formula |
Cl-O2 |
|---|
| Major Category |
Toxic Gases & Vapors |
|---|
| Synonyms |
Alcide; Anthium dioxcide; Chlorine dioxide; Chlorine oxide (ClO2); Chlorine peroxide; Chlorine(IV) oxide; Chloroperoxyl; Chloryl radical; Doxcide 50; [ChemIDplus] |
|---|
| Category |
Oxidizers |
|---|
| Description |
Yellow to red gas or a red-brown liquid (below 52 degrees F) with an unpleasant odor similar to chlorine and nitric acid; [NIOSH] |
|---|
| Sources/Uses |
Used as a bleaching agent in the paper, flour, cellulose, leather, fat, and oil industries; used as a disinfectant for water treatment; [ACGIH] |
|---|
| Comments |
Listed as one of the "major irritant airborne toxicants"; [LaDou, p. 523] Corrosive--can cause serious skin burns; [ICSC] |
|---|
| Exposure Assessment |
|---|
| Skin Designation (ACGIH) |
No |
|---|
| TLV (ACGIH) |
0.1 ppm |
|---|
| STEL (ACGIH) |
0.3 ppm |
|---|
| PEL (OSHA) |
0.1 ppm |
|---|
| MAK |
0.1 ppm |
|---|
| IDLH (NIOSH) |
5 ppm |
|---|
| Excerpts from Documentation for IDLHs |
Human data: It has been reported that 5 ppm is definitely irritating and that 19 ppm caused the death of one worker inside a tank (time of exposure was not specified) [Elkins 1950]. |
|---|
| Odor Threshold Low |
0.1 ppm |
|---|
| Odor Threshold High |
15 ppm |
|---|
| Lethal Concentration |
LCLo (rats) = 260 ppm/2H |
|---|
| Explanatory Notes |
Odor threshold from NJ "Hazardous Substance Fact Sheet"; The Guide from the Emergency Response Guidebook is for "Chlorine dioxide, hydrate, frozen." |
|---|
| Reference Link |
International Chemical Safety Cards (WHO/IPCS/ILO) |
|---|
| Adverse Effects |
|---|
| Toxic Pneumonitis |
Yes |
|---|
| Dermatotoxin |
Skin Burns |
|---|
| Links to Other NLM Databases |
|---|
| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: CHLORINE DIOXIDE
|
|---|
