Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Sulfuric Acid 50% - Electrolyte Grade

50%

Alliance Code
sulfuric-acid-50-electrolyte-grade
確認日
2026-07-17
Revision
1.6
CAS番号
7664-93-9
UN番号
UN2796
危険有害性クラス・容器等級
8 · PG II
構造
2D chemical structure of Sulfuric Acid 50% - Electrolyte Grade
構造・PubChem
グレード
50%
注意喚起語
Danger
危険有害性
腐食性H290 H314
正式輸送品名
Sulfuric acid with not more than 51% acid
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.

Identity & Composition

製品名
Sulfuric Acid 50% - Electrolyte Grade
Alliance Code
sulfuric-acid-50-electrolyte-grade
グレード
—
濃度
50%
CAS番号
7664-93-9PubChem
化学式
—PubChem
分子量
98.08PubChem
製品種別
Solution

Specifications

TestSpecificationTypicalMethodSource
Assay (H2SO4)49.0 - 51.0 %50.1 %—Interpreted
Color, APHA50 max12—Interpreted
Total heavy metals13 ppm max1.1 ppm—Interpreted
Iron (Fe)50.0 ppm max4.8 ppm—Interpreted
Mercury1.0 ppm max0.017 ppm—Interpreted
Nitrates (as NO3)54 ppm max0.8 ppm—Interpreted
Residue after ignition54 ppm max6.1 ppm—Interpreted
Specific Gravity @ 68ºF1.408 min1.413—Interpreted
Sulfur dioxide (SO2)27 ppm max6.3 ppm—Interpreted
Chloride (Cl)5.0 ppm max2.2 ppmASTM E223 (turbidimetric, AgNO3)Interpreted
Manganese (Mn)0.5 ppm max0.028 ppmICP-OESInterpreted
Arsenic (As)1.0 ppm max0.026 ppmICP-MSInterpreted

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

グレード濃度Typical AssaySKUTDS
This grade —50%—currentcurrent
ACS Grade96%—sulfuric-acid-96-acs-gradeView TDS →
Technical Grade93%—sulfuric-acid-93-technical-gradeView TDS →
Technical70%—sulfuric-acid-70View TDS →
—37%—sulfuric-acid-37-battery-acidView TDS →
Technical30%—sulfuric-acid-30View 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.

物理的及び化学的性質

Property値Source
外観Clear, viscous liquidAdjudicated
形状Liquid solutionPublished reference
臭いOdorlessAdjudicated
pH< 1Adjudicated
比重1.39–1.40 at 20 °C (water = 1)Adjudicated
密度1.4 (50% w/w aqueous solution, 20 °C)Published reference
沸点123 °C (254 °F)Adjudicated
融点-36.6 to -34 °C (-34 to -29 °F), freezing point (aqueous solution)Adjudicated
引火点該当しないAdjudicated
蒸気圧1 mmHg at 294.8 °F (EPA, 1998)Published reference
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 ≈ 50%

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

国連番号
UN2796Manual review
危険有害性クラス
8Adjudicated
容器等級
IIAdjudicated
正式輸送品名
Sulfuric acid with not more than 51% acidAdjudicated

GHS / OSHA HCS 2024

注意喚起語
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

許容濃度

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

輸送情報は発行時点の49 CFR 172.101の照会結果を反映しています。データ出典:REL/IDLHはNIOSH Pocket Guide、PELはOSHA Zテーブル。出荷に関わる重要な判断の前に、必ず最新の規制本文で確認してください。

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

急性毒性値はSDS第11項またはNIOSH RTECSによる。

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 50% - Electrolyte Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.

Download audit packet

Catalog EquivalentsCross-reference vs major chemical suppliers

Sigma-Aldrich

SKUグレードConc.MatchNotes
258105ACS Reagent95-98%Unverified candidateACS 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

  • 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
塩基、漂白剤および金属から離し、換気の良い涼しい場所で耐酸性プラスチック容器に密閉して保管すること。希釈する際は、水に酸をゆっくり加えること。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
塩基(激しい反応、発熱);漂白剤およびその他の次亜塩素酸塩(塩素を発生);シアン化物および硫化物(有毒ガスを発生);ほとんどの金属(可燃性水素を発生);有機物、塩素酸塩、過マンガン酸塩および硝酸塩。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, Sulfuric acid with not more than 51% acid, 8, PG II

Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.

NMFC Class
60
Placard
Corrosive
容器等級
PG II

Revision History

Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

VersionDateChangeTrigger
1.62026-10-07Canonical data updated: 20 fields changed via the provenance/adjudication pipeline.
  • synonyms· canonical change (coa.data_provenance / adjudication)
  • recommended_use· canonical change (coa.data_provenance / adjudication)
  • restrictions_on_use· canonical change (coa.data_provenance / adjudication)
  • odor· canonical change (coa.data_provenance / adjudication)
  • pH· canonical change (coa.data_provenance / adjudication)
  • boilingPoint· canonical change (coa.data_provenance / adjudication)
  • specificGravity· canonical change (coa.data_provenance / adjudication)
  • solubility· canonical change (coa.data_provenance / adjudication)
  • flashPoint· canonical change (coa.data_provenance / adjudication)
  • oel_acgih_tlv· canonical change (coa.data_provenance / adjudication)
  • incompatible_materials· canonical change (coa.data_provenance / adjudication)
  • conditions_to_avoid· canonical change (coa.data_provenance / adjudication)
  • hazardous_decomposition_products· canonical change (coa.data_provenance / adjudication)
  • storage_precautions· canonical change (coa.data_provenance / adjudication)
  • rcra_waste_codes· canonical change (coa.data_provenance / adjudication)
  • cercla_rq· canonical change (coa.data_provenance / adjudication)
  • dot_transport_note· canonical change (coa.data_provenance / adjudication)
  • ghsClassification· canonical change (coa.data_provenance / adjudication)
  • hazard_h_codes· canonical change (coa.data_provenance / adjudication)
  • hazard_p_codes· canonical change (coa.data_provenance / adjudication)
canonical_change
1.52026-10-05Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • oel_niosh_rel· canonical change (coa.data_provenance / adjudication)
  • oel_idlh· canonical change (coa.data_provenance / adjudication)
canonical_change
1.42026-09-30Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • meltingPoint· canonical change (coa.data_provenance / adjudication)
  • appearance· canonical change (coa.data_provenance / adjudication)
canonical_change
1.32026-08-04Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • unNumber· canonical change (coa.data_provenance / adjudication)
  • hazardClass· canonical change (coa.data_provenance / adjudication)
  • packingGroup· canonical change (coa.data_provenance / adjudication)
canonical_change
1.22026-07-22Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • dotSubsidiaryHazardClass· canonical change (coa.data_provenance / adjudication)
  • dotProperShippingName· canonical change (coa.data_provenance / adjudication)
canonical_change
1.12026-07-17Canonical 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).
  • countryOfOrigin· canonical adjudication / reground (coa.data_provenance)
  • ghsClassification· canonical adjudication / reground (coa.data_provenance)
  • hazard_p_codes· canonical adjudication / reground (coa.data_provenance)
  • hsCode· canonical adjudication / reground (coa.data_provenance)
  • physicalProperties· canonical adjudication / reground (coa.data_provenance)
canonical_change
1.02026-05-20Initial 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.