| Product name | 9H-carbazole |
|---|
| Product number | - |
|---|---|
| Other names | diphenylenimine |
| Identified uses | For industry use only. |
|---|---|
| Uses advised against | no data available |
| Company | MOLBASE (Shanghai) Biotechnology Co., Ltd. |
|---|---|
| Address | Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road, Xuhui District, Shanghai, China |
| Telephone | +86(21)64956998 |
| Fax | +86(21)54365166 |
| Emergency phone number | +86-400-6021-666 |
|---|---|
| Service hours | Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours). |
Not classified.
2.2 GHS label elements, including precautionary statements| Pictogram(s) | No symbol. |
|---|---|
| Signal word | No signal word. |
| Hazard statement(s) | none |
| Precautionary statement(s) | |
| Prevention | none |
| Response | none |
| Storage | none |
| Disposal | none |
none
3.Composition/information on ingredients 3.1 Substances| Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
|---|---|---|---|---|
| 9H-carbazole | 9H-carbazole | 86-74-8 | none | 100% |
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaledIf breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contactWash off with soap and plenty of water. Consult a physician.
In case of eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowedNever give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
4.2 Most important symptoms/effects, acute and delayedSYMPTOMS: Symptoms of exposure to this compound may include irritation. It may cause allergic reactions. It may also cause dermatitis, bronchitis, coughing, dyspnea and respiratory distress. ACUTE/CHRONIC HAZARDS: This compound may be harmful by ingestion, inhalation and skin absorption. It may cause irritation. When heated to decomposition it emits toxic fumes of carbon monoxide, carbon dioxide and nitrogen oxides.
4.3 Indication of immediate medical attention and special treatment needed, if necessaryno data available
5.Fire-fighting measures 5.1 Extinguishing media Suitable extinguishing mediaFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used.
5.2 Specific hazards arising from the chemicalFlash point data for this chemical are not available; however, it is probably combustible.
5.3 Special protective actions for fire-fightersWear self-contained breathing apparatus for firefighting if necessary.
6.Accidental release measures 6.1 Personal precautions, protective equipment and emergency proceduresUse personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.
6.2 Environmental precautionsPrevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
6.3 Methods and materials for containment and cleaning upPick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.
7.Handling and storage 7.1 Precautions for safe handlingAvoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilitiesMATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMPOSE INTO TOXIC COMPONENTS ... SHOULD BE STORED IN A COOL WELL VENTILATED PLACE, OUT OF THE DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, & SHOULD BE PERIODICALLY INSPECTED. INCOMPATIBLE MATERIALS SHOULD BE ISOLATED ... .
8.Exposure controls/personal protection 8.1 Control parameters Occupational Exposure limit valuesno data available
Biological limit valuesno data available
8.2 Appropriate engineering controlsHandle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.
8.3 Individual protection measures, such as personal protective equipment (PPE) Eye/face protectionSafety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protectionWear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.
Respiratory protectionWear dust mask when handling large quantities.
Thermal hazardsno data available
9.Physical and chemical properties| Physical state | white crystals or light brown powder |
|---|---|
| Colour | CRYSTALS FROM ALCOHOL, BENZENE, TOLUENE, GLACIAL ACETIC ACID |
| Odour | no data available |
| Melting point/ freezing point | -56°C(lit.) |
| Boiling point or initial boiling point and boiling range | 215°C(lit.) |
| Flammability | no data available |
| Lower and upper explosion limit / flammability limit | no data available |
| Flash point | 94°C(lit.) |
| Auto-ignition temperature | no data available |
| Decomposition temperature | no data available |
| pH | EXTREMELY WEAK BASE |
| Kinematic viscosity | no data available |
| Solubility | less than 1 mg/mL at 18.89°C |
| Partition coefficient n-octanol/water (log value) | no data available |
| Vapour pressure | 400 mm Hg ( 323 °C) |
| Density and/or relative density | 1.1 |
| Relative vapour density | no data available |
| Particle characteristics | no data available |
no data available
10.2 Chemical stabilityStable under recommended storage conditions.
10.3 Possibility of hazardous reactionsCARBAZOLE is an extremely weak base. It is incompatible with strong oxidizing agents. It reacts with nitrogen oxides. Potassium hydroxide fusion yields a salt.
10.4 Conditions to avoidno data available
10.5 Incompatible materialsno data available
10.6 Hazardous decomposition productsWhen heated to decomposition it emits toxic fumes of /nitrogen oxides/.
11.Toxicological information Acute toxicity- Oral: no data available
- Inhalation: no data available
- Dermal: no data available
no data available
Serious eye damage/irritationno data available
Respiratory or skin sensitizationno data available
Germ cell mutagenicityno data available
CarcinogenicityEvaluation: No epidemiological data relevant to the carcinogenicity of carbazole were available. There is limited evidence in experimental animals for the carcinogenicity of carbazole. Overall evaluation: Carbazole is not classifiable as to its carcinogenicity to humans (Group 3).
Reproductive toxicityno data available
STOT-single exposureno data available
STOT-repeated exposureno data available
Aspiration hazardno data available
12.Ecological information 12.1 Toxicity- Toxicity to fish: no data available
- Toxicity to daphnia and other aquatic invertebrates: no data available
- Toxicity to algae: no data available
- Toxicity to microorganisms: no data available
Based on measured biodegradation rates of 2.7-9.7 1/hr from batch fermentation screening studies using sewage inocula and 700-800 ppm carbazole, half-lives of 4.3 min-6.2 hr can be estimated for carbazole(1). After 14 days of incubation at 30°C, indigenous microorganisms removed 66% of carbazole (initial concn of 2.9 ug/ml) from contaminated groundwater taken from the American Creosote Works Superfund site, Pensacola, FL(2). Levels of indigenous carbazole mineralization varied from 0 to 46% after 60 days in mineralization experiments using C14 labeled carbazole in 3 southern Illinois soils(3). In the same experiment, the carbazole-degrading bacterium, Xanthamonas sp., was reintroduced and enhanced mineralization to 45% after 7 days in a soil where little indigenous mineralization occurred(3). Carbazole initial concns of 500 and 5 ppm did not degrade after 90 and 15 days, respectively, in Chernozen loamy soil at 19°C based on thin layer chromatography(4).
12.3 Bioaccumulative potentialBased on static bioconcentration experiments with guppies (Poecilia reticulata), the log bioconcentration factor (log BCF) was determined to be 2.7 for carbazole(2). Log BCFs for carbazole in alga (Oedogonium cardiacum), snail (Physa sp.), mosquito larvae (Culex pepiens), and mosquito fish (Gambusia affinis) were measured to be 1.69, 2.13, 2.05, and 2.10, respectively; however, carbazole was metabolized to N-methyl and N-acetyl derivatives(1). The log BCF for carbazole in Daphnia pulex was experimentally determined to be 2.06(3).
12.4 Mobility in soilBased on an experimental Koc range of 114 to 1180, the average Koc value in 21 soils has been determined to be 637(1). According to a suggested classification scheme(2), this Koc value suggests that carbazole will have low mobility in soil. In CA-Montmorillonite soil (0.06 % organic content) and Coyote Creek sediment (1.4% organic content), Koc values of 5300 and 12500 were measured for carbazole(3). Furthermore, sorption of carbazole to soil is nonlinear and highly correlated with organic content of soils; hence, mobility of carbazole in groundwater containing low organic content may be more than expected from estimated Koc values(1) based on the measured log Kow of 3.72(4) and water solubility of 1.8 mg/l at 25°C(5).
12.5 Other adverse effectsno data available
13.Disposal considerations 13.1 Disposal methods ProductThe material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Contaminated packagingContainers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
14.Transport information 14.1 UN Number| ADR/RID: UN3077 | IMDG: UN3077 | IATA: UN3077 |
| ADR/RID: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. |
| IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. |
| IATA: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. |
| ADR/RID: 9 | IMDG: 9 | IATA: 9 |
| ADR/RID: III | IMDG: III | IATA: III |
| ADR/RID: no | IMDG: no | IATA: no |
no data available
14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Codeno data available
15.Regulatory information 15.1 Safety, health and environmental regulations specific for the product in question| Chemical name | Common names and synonyms | CAS number | EC number |
|---|---|---|---|
| 9H-carbazole | 9H-carbazole | 86-74-8 | none |
| European Inventory of Existing Commercial Chemical Substances (EINECS) | Listed. | ||
| EC Inventory | Listed. | ||
| United States Toxic Substances Control Act (TSCA) Inventory | Listed. | ||
| China Catalog of Hazardous chemicals 2015 | Listed. | ||
| New Zealand Inventory of Chemicals (NZIoC) | Listed. | ||
| Philippines Inventory of Chemicals and Chemical Substances (PICCS) | Listed. | ||
| Vietnam National Chemical Inventory | Listed. | ||
| Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) | Listed. | ||
| Creation Date | Aug 12, 2017 |
|---|---|
| Revision Date | Aug 12, 2017 |
- CAS: Chemical Abstracts Service
- ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
- RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
- IMDG: International Maritime Dangerous Goods
- IATA: International Air Transportation Association
- TWA: Time Weighted Average
- STEL: Short term exposure limit
- LC50: Lethal Concentration 50%
- LD50: Lethal Dose 50%
- EC50: Effective Concentration 50%
- IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
- HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
- IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
- eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
- CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
- ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
- ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
- Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
- ECHA - European Chemicals Agency, website: https://echa.europa.eu/
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