Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Sodium Hydroxide 5% ACS Grade

ACS · 5%

Alliance Code
sodium-hydroxide-5-acs-grade
確認日
2026-06-18
Revision
1.6
CAS番号
1310-73-2
UN番号
UN1824
危険有害性クラス・容器等級
8 · PG II
構造
2D chemical structure of Sodium Hydroxide 5% ACS Grade
構造・PubChem
グレード
ACS · 5%
注意喚起語
Danger
危険有害性
腐食性H290 H314
正式輸送品名
Sodium hydroxide solution
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer.

Identity & Composition

製品名
Sodium Hydroxide 5% ACS Grade
Alliance Code
sodium-hydroxide-5-acs-grade
グレード
ACS
濃度
5%
CAS番号
1310-73-2PubChem
化学式
—PubChem
分子量
—PubChem
製品種別
Solution

Specifications

TestSpecificationTypicalMethodSource
Assay (NaOH)4.75 - 5.25 %5.01 %—Interpreted
Ammonium hydroxide precipitate0.001% max0.00008 %—Interpreted
Calcium (Ca)0.00026% max0.0000085 %—Interpreted
Chloride (Cl)0.00024% max0.000053 %—Interpreted
Heavy metals (as Ag)0.0001% max0.0000048 %—Interpreted
Iron (Fe)0.51 ppm max0.035 ppm—Interpreted
Magnesium (Mg)0.00011% max0.0000024 %—Interpreted
Mercury (Hg)0.005 ppm max0.00009 ppm—Interpreted
Nickel (Ni)0.51 ppm max0.017 ppm—Interpreted
Nitrogen compounds (as N)0.5 ppm max0.023 ppm—Interpreted
Phosphate (PO4)1.4 ppm max0.011 ppm—Interpreted
Potassium (K)0.001% max0.00017 %—Interpreted
Sodium carbonate0.025 % max0.012 %—Interpreted
Sulfate (SO4)0.00019% max0.000030 %—Interpreted
Color (APHA)Max 200.5—Interpreted
Composition5 % sodium hydroxide in deionized water, by weightConformsBy formulation; confirmed by specific gravityInterpreted

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 ACS5%—currentcurrent
ACS Grade50%—sodium-hydroxide-50-solution-acs-gradeView TDS →
Membrane Grade50%—sodium-hydroxide-50-membrane-grade-caustic-soda-lyeView TDS →
ACS30%—sodium-hydroxide-30-acs-gradeView TDS →
Technical30%—sodium-hydroxide-30-technical-gradeView TDS →
—25%—sodium-hydroxide-25View TDS →
ACS Grade25%—sodium-hydroxide-25-acs-gradeView TDS →
ACS20%—sodium-hydroxide-20-acs-gradeView TDS →
Technical20%—sodium-hydroxide-20-technical-gradeView TDS →
ACS15%—sodium-hydroxide-15-acs-gradeView TDS →
Technical15%—sodium-hydroxide-15-technical-gradeView TDS →
ACS10%—sodium-hydroxide-10-acs-gradeView TDS →
Technical10%—sodium-hydroxide-10-technical-gradeView 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, colorless liquidAdjudicated
臭いOdorlessAdjudicated
pH14Adjudicated
比重1.049–1.059 at 20 °C (water = 1)Adjudicated
沸点100-118 °C (212-244 °F) (aqueous solution)Adjudicated
融点0 °C (32 °F) (aqueous solution)Adjudicated
引火点該当しないAdjudicated
蒸気圧About 14–24 mmHg at 20–25 °C (water vapor)Adjudicated
Solubility (water)Completely miscible with water (dilution releases heat)Adjudicated

Strong base — hygroscopic; values may drift in opened containers. See storage guidance.

Materials of ConstructionService envelope ≈ 5%

MaterialRatingMax T (°C)NotesSource
Buna-N (NBR)
elastomer
Fair40Limited service lifeCole-Parmer Chemical Compatibility
EPDM
elastomer
Excellent100Standard for caustic gaskets.Parker O-ring Chemical Compatibility
Viton (FKM)
elastomer
Poor—Hydrolyzes in caustic; do not use.Parker O-ring Chemical Compatibility
PTFE
fluoropolymer
Excellent200Universal compatibility.Cole-Parmer Chemical Compatibility
Borosilicate Glass
glass ceramic
Fair25Attacked above 30 % or elevated temp; avoid long-term service.Cole-Parmer Chemical Compatibility
304 stainless steel
metal
Good80Acceptable for dilute causticCole-Parmer Chemical Compatibility
316L Stainless Steel
metal
Excellent80Preferred metal for caustic service.NACE TM0177
Aluminium
metal
Not recommended—Rapid attack; generates hydrogenCole-Parmer Chemical Compatibility
Carbon Steel
metal
Good60Acceptable below 70 °C; caustic embrittlement risk above.NACE Caustic Service Limits
Nickel
metal
Excellent100Preferred for high-temperature causticCole-Parmer Chemical Compatibility
Zinc / galvanized steel
metal
Not recommended—Rapid corrosionCole-Parmer Chemical Compatibility
HDPE
thermoplastic
Excellent60Standard tote/drum material.Cole-Parmer Chemical Compatibility
Polypropylene
thermoplastic
Excellent80Excellent caustic service to 50 %.Cole-Parmer Chemical Compatibility
PP
thermoplastic
Excellent80Preferred for elevated temperatureCole-Parmer Chemical Compatibility
PVC
thermoplastic
Good40Acceptable for ambient serviceCole-Parmer Chemical Compatibility

Ratings reflect the service envelope (concentration × temperature) shown. Always confirm against your specific duty cycle and contact-time before equipment selection. The most cautious rating across overlapping references is shown.

Materials Selection Tool

Showing 15 of 15 material ratings within the selected envelope.

MaterialRatingMax T (°C)Notes
Buna-N (NBR)
elastomer
Fair40Limited service life
EPDM
elastomer
Excellent100Standard for caustic gaskets.
Viton (FKM)
elastomer
Poor—Hydrolyzes in caustic; do not use.
PTFE
fluoropolymer
Excellent200Universal compatibility.
Borosilicate Glass
glass ceramic
Fair25Attacked above 30 % or elevated temp; avoid long-term service.
304 stainless steel
metal
Good80Acceptable for dilute caustic
316L Stainless Steel
metal
Excellent80Preferred metal for caustic service.
Aluminium
metal
Not recommended—Rapid attack; generates hydrogen
Carbon Steel
metal
Good60Acceptable below 70 °C; caustic embrittlement risk above.
Nickel
metal
Excellent100Preferred for high-temperature caustic
Zinc / galvanized steel
metal
Not recommended—Rapid corrosion
HDPE
thermoplastic
Excellent60Standard tote/drum material.
Polypropylene
thermoplastic
Excellent80Excellent caustic service to 50 %.
PP
thermoplastic
Excellent80Preferred for elevated temperature
PVC
thermoplastic
Good40Acceptable for ambient service

Regulatory & Transport

DOT / 49 CFR

国連番号
UN1824Adjudicated
危険有害性クラス
8Adjudicated
容器等級
IIAdjudicated
正式輸送品名
Sodium hydroxide solutionAdjudicated

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)
2 mg/m³ TWAOSHA 29 CFR 1910.1000
ACGIH TLV
2 mg/m³ CeilingAdjudicated
NIOSH REL
2 mg/m³ ceilingNIOSH Pocket Guide
NIOSH IDLH
10 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 Dermal (rabbit)
1,350 mg/kg (sodium hydroxide)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 Sodium Hydroxide 5% ACS 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
S5881ACS Reagent≥97%Unverified candidateReagent grade, anhydrous pellets

Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.

Applications

  • pH adjustment in water treatment; pulp and paper; textile scouring and dyeing; soap and detergent manufacturing; petroleum refining and oil drilling; aluminum processing; chemical synthesisbasekim.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
鋼、ポリエチレン又はポリプロピレン製の容器に密閉して保管すること。アルミニウム又は亜鉛メッキの容器には絶対に保管しないこと。凍結させないこと。酸から遠ざけること。Adjudicated
Handling Precautions
Use full PPE including chemical splash goggles and alkali-resistant gloves. Add base to water slowly with stirring. Highly exothermic dilution.Class-level guidance — not product-specific; the SDS controls.
Incompatibilities
酸(激しい反応);アルミニウム、亜鉛、スズ、マグネシウムおよびそれらの合金(亜鉛めっき金属を含む)(可燃性水素を発生);有機ハロゲン化合物;ニトロ化合物;糖類(密閉容器内で一酸化炭素を発生することがある)。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)

UN1824, Sodium hydroxide solution, 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 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

VersionDateChangeTrigger
1.62026-10-08Canonical data updated: 16 fields changed via the provenance/adjudication pipeline.
  • synonyms· canonical change (coa.data_provenance / adjudication)
  • restrictions_on_use· canonical change (coa.data_provenance / adjudication)
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  • oel_acgih_tlv· canonical change (coa.data_provenance / adjudication)
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  • cercla_rq· canonical change (coa.data_provenance / adjudication)
canonical_change
1.52026-10-07Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • ghsClassification· canonical change (coa.data_provenance / adjudication)
  • hazard_h_codes· canonical change (coa.data_provenance / adjudication)
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canonical_change
1.42026-09-30Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • appearance· canonical change (coa.data_provenance / adjudication)
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canonical_change
1.32026-08-05Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • hazardClass· canonical change (coa.data_provenance / adjudication)
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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
1.12026-06-18Canonical data re-verified: 3 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)
  • hsCode· 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.

Sodium Hydroxide 5% ACS Grade — Technical Data Sheet | Alliance Chemical