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Sulfuric acid

CAS No.: 7664-93-9
Formula: H2O4S
Molecular Weight: 98.08
Suppliers: All(0) China Suppliers(20) Products(24)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
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What is Sulfuric acid

**Introduction to Sulfuric Acid (H₂SO₄)** Sulfuric acid is a highly corrosive, colorless to slightly yellow mineral acid with the chemical formula H₂SO₄. It is one of the most widely used industrial chemicals due to its strong acidic properties and versatility. Sulfuric acid plays a critical role in manufacturing fertilizers, detergents, explosives, and petroleum refining. It also serves as an electrolyte in lead-acid batteries and in various chemical synthesis processes. Known for its dehydrating and oxidizing capabilities, it requires careful handling due to its extreme reactivity and potential hazards. With an annual global production exceeding 250 million tons, sulfuric acid is indispensable in modern industry, earning its reputation as the "king of chemicals."

Preparation Process: To prepare sulfuric acid (H₂SO₄), the **Contact Process** is commonly used: 1. **Sulfur Combustion**: Burn sulfur (S) in air to produce sulfur dioxide (SO₂): \[ S + O_2 \rightarrow SO_2 \] 2. **Catalytic Oxidation**: Pass SO₂ and oxygen (O₂) over a vanadium(V) oxide (V₂O₅) catalyst at 450°C to form sulfur trioxide (SO₃): \[ 2SO_2 + O_2 \rightarrow 2SO_3 \] 3. **Absorption in Water**: Dissolve SO₃ in concentrated H₂SO₴ to form oleum (H₂S₂O₇), then dilute with water: \[ SO_3 + H_2SO_4 \rightarrow H_2S_2O_7 \] \[ H_2S_2O_7 + H_2O \rightarrow 2H_2SO_4 \] This yields high-purity sulfuric acid.

Usage Scenarios: Sulfuric acid (H₂SO₄) is a highly versatile industrial chemical used in numerous applications. It is primarily employed in fertilizer production, particularly for manufacturing phosphoric acid and ammonium sulfate. In petroleum refining, it serves as a catalyst for alkylation processes. The chemical industry utilizes it in producing detergents, synthetic resins, and dyes. Sulfuric acid is essential in metal processing, including pickling steel and extracting metals like copper and zinc. It acts as an electrolyte in lead-acid batteries and is used in wastewater treatment for pH adjustment. Additionally, it plays a role in paper manufacturing, explosives production, and laboratory reagent applications. Its strong dehydrating properties make it useful in drying gases and certain organic reactions.

Sulfuric acid Basic Info
Chemical Name Sulfuric acid
Synonyms Hydrogen sulfate;SULFURIC ACID REAGENT GRADE 95-98%;So42-;Sulfuric acid 96 %;Acide sulfurique;So4--;Acid Mist;Sulfur acid;Dipping acid;Inorganic acid
CAS No. 7664-93-9
Molecular Formula H2O4S
Molecular Weight 98.08
PSA 82.98000
LogP 0.42800
Safely Info
RTECS WS5600000
Hazard Class 8
Safety Statements 26-30-45-36/37-16
HS Code 28070010
WGK Germany 1
Packing Group II
RIDADR UN 3264 8/PG 3
Risk Statements 36/38-35-39/23/24/25-23/24/25-11
Hazard Codes C,T,F,Xi
Caution Statement P234-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Declaration H290-H314
Symbol GHS05
Signal Word Danger
Sulfuric acid Price
United States: $200-$400 per ton
China: $100-$300 per ton
Russia: $150-$250 per ton
Germany: $250-$350 per ton
India: $100-$200 per ton
Japan: $300-$400 per ton
Brazil: $200-$300 per ton
South Korea: $200-$350 per ton
Philippines: $150-$250 per ton
United Kingdom: $250-$350 per ton
France: $300-$400 per ton
Mexico: $150-$250 per ton
Canada: $250-$350 per ton
South Africa: $100-$200 per ton
Egypt: $100-$300 per ton
Turkey: $200-$300 per ton
Thailand: $200-$300 per ton
Indonesia: $100-$200 per ton
MSDS
SDS 1.0
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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name Sulfuric acid

1.2 Other means of identification

Product number -
Other names Sulphuric acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

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

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Skin corrosion, Category 1A

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H314 Causes severe skin burns and eye damage

Precautionary statement(s)
Prevention

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

Response

P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

P363 Wash contaminated clothing before reuse.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P310 Immediately call a POISON CENTER/doctor/…

P321 Specific treatment (see ... on this label).

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Storage

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
Sulfuric acid Sulfuric acid 7664-93-9 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

no data available

4.3 Indication of immediate medical attention and special treatment needed, if necessary

no data available

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

5.2 Specific hazards arising from the chemical

no data available

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use 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 precautions

Prevent 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 up

Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid 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 incompatibilities

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle 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 protection

Safety 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 protection

Wear 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 protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state Colourless liquid.
Colour no data available
Odour no data available
Melting point/ freezing point 10ºC
Boiling point or initial boiling point and boiling range ~290°C(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point not available
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility In water:miscible
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 1 mm Hg ( 146 °C)
Density and/or relative density 1.840g/mLat 25°C(lit.)
Relative vapour density <0.3 (25 °C, vs air)
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

no data available

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

no data available

11.Toxicological information

Acute toxicity

  • Oral: no data available
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no 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

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

no data available

12.4 Mobility in soil

no data available

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The 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 packaging

Containers 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: UN3264 IMDG: UN3264 IATA: UN3264

14.2 UN Proper Shipping Name

ADR/RID: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S.
IMDG: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S.
IATA: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 8 IMDG: 8 IATA: 8

14.4 Packing group, if applicable

ADR/RID: III IMDG: III IATA: III

14.5 Environmental hazards

ADR/RID: no IMDG: no IATA: no

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no 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
Sulfuric acid Sulfuric acid 7664-93-9 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.

16.Other information

Information on revision

Creation Date Aug 16, 2017
Revision Date Aug 16, 2017

Abbreviations and acronyms

  • 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%

References

  • 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/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
MSDS
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