Industrial chemicals · Taylor, TXTechnical Data Sheet
Sulfuric Acid 37% - Battery Acid Technical Grade
37%
- CAS number
- 7664-93-9
- UN number
- UN2796
- Hazard class · packing group
- 8 · PG II
- Structure
Structure · PubChem - Grade
- 37%
- Signal word
- Danger
- Hazards
- Proper shipping name
- Battery fluid, acid
Identity & Composition
- Product Name
- Sulfuric Acid 37% - Battery Acid Technical Grade
- Alliance Code
- sulfuric-acid-37-battery-acid
- Grade
- —
- Concentration
- 37%
- CAS Number
- 7664-93-9PubChem
- Formula
- —PubChem
- Molecular Weight
- 98.08PubChem
- Product Type
- Solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (H2SO4) | 36.5 - 37.5 % (w/w) | 37.02 % | — | Interpreted |
| Chloride (Cl) | 5 ppm max | 1.6 ppm | ASTM E223 (turbidimetric, AgNO3) | Interpreted |
| Manganese (Mn) | 0.5 ppm max | 0.018 ppm | ICP-OES | Interpreted |
| Arsenic (As) | 1 ppm max | 0.022 ppm | ICP-MS | Interpreted |
| Total heavy metals | 10 ppm max | 0.82 ppm | — | Interpreted |
| Iron (Fe) | 20 ppm max | 4.2 ppm | — | Interpreted |
| Mercury | 0.4 ppm max | 0.013 ppm | — | Interpreted |
| Nitrates (as NO3) | 40 ppm max | 1.00 ppm | — | Interpreted |
| Sulfur dioxide (SO2) | 20 ppm max | 5.9 ppm | — | Interpreted |
| type i residue | 99 ppm max | 8.1 ppm | — | Interpreted |
| type ii residue | 199 ppm max | 8.1 ppm | — | Interpreted |
| Color, APHA | 50 max | 7 | — | Interpreted |
| Composition | 37 % sulfuric acid in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade — | 37% | — | current | current |
| ACS Grade | 96% | — | sulfuric-acid-96-acs-grade | View TDS → |
| Technical Grade | 93% | — | sulfuric-acid-93-technical-grade | View TDS → |
| Technical | 70% | — | sulfuric-acid-70 | View TDS → |
| — | 50% | — | sulfuric-acid-50-electrolyte-grade | View TDS → |
| Technical | 30% | — | sulfuric-acid-30 | View TDS → |
Typical assay shown is the rolling-window mean from the sibling product's most recent lots. Grade selection drives downstream end-use — verify the sibling grade matches your specification before substitution.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Clear, colorless liquid | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Odorless to sharp, pungent | Adjudicated |
| pH | < 1 | Adjudicated |
| Specific Gravity | 1.27 (water = 1) | Adjudicated |
| Density | 1.28 (37% w/w aqueous solution, 20 °C) | Published reference |
| Boiling Point | 113–116 °C (235–241 °F) | Adjudicated |
| Melting Point | Not characterized for the 37% solution | Published reference |
| Flash Point | Not applicable | Adjudicated |
| Vapor Pressure | 10–13 mmHg at 20 °C (water vapor) | Adjudicated |
| Solubility (water) | Completely miscible with water (dilution releases heat) | Adjudicated |
Strong acid — density and vapor-pressure values shown are at 20 °C; values shift markedly with concentration and temperature. Reference concentration-temperature curves before specifying equipment.
Materials of ConstructionService envelope ≈ 37%
MOC ratings are required for this chemical class but no compatibility data has been seeded yet. Treat as no-data and consult Alliance Technical Services before equipment selection.
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN2796Manual review
- Hazard Class
- 8Adjudicated
- Packing Group
- IIAdjudicated
- Proper Shipping Name
- Battery fluid, acidAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H290, H314Adjudicated
- P-Codes (Precautionary Statements)
- P234, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P390, P405, P406, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 1 mg/m³ TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- 0.2 mg/m³ TWA (thoracic fraction); A2 for strong inorganic acid mists containing sulfuric acidAdjudicated
- NIOSH REL
- 1 mg/m³ TWANIOSH Pocket Guide
- NIOSH IDLH
- 15 mg/m³NIOSH Pocket Guide
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Health & Fire Hazard
Acute Toxicology
- LD₅₀ Oral (rat)
- 2,140 mg/kg (sulfuric acid)Adjudicated
- LC₅₀ Inhalation (rat, 4 h)
- 0.375 mg/L (sulfuric acid mist)Adjudicated
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Sulfuric Acid 37% - Battery Acid Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Catalog EquivalentsCross-reference vs major chemical suppliers
Sigma-Aldrich
| SKU | Grade | Conc. | Match | Notes |
|---|---|---|---|---|
| 258105 | ACS Reagent | 95-98% | Unverified candidate | ACS Reagent 95–98% |
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications
- Industrial, manufacturing or laboratory use (battery acid)columbuschemical.com
- Battery manufacture, chlorine dioxide generation, effluent treatment and inorganic pigment productionnouryon.com
- Manufacture of fertilizers (agriculture)lookpolymers.com
- Oxidizing and dehydrating agent in chemical processinglookpolymers.com
- Treatment of metals (metallurgy) and purification of petroleumlookpolymers.com
- pH control in water treatmentlookpolymers.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Keep closed in acid-resistant plastic containers in a cool, ventilated area away from bases, bleach and metals. To dilute, add acid slowly to water.Adjudicated
- Handling Precautions
- Use full PPE including face shield, acid-resistant gloves and apron. Add acid to water slowly with stirring; never reverse. Ventilation required.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Bases (violent, heat); bleach and other hypochlorites (release chlorine); cyanides and sulfides (release toxic gases); most metals, including lead in contact with charging batteries (release flammable hydrogen); organic materials, chlorates, permanganates and nitrates.Adjudicated
- Shelf Life
- Consult Technical Services for product-specific shelf life
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
UN2796, Battery fluid, acid, 8, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.7 | 2026-10-07 | Canonical data updated: 21 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-10-05 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-09-30 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-08-04 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 5 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.2 | 2026-07-17 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.