Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Isopropyl Alcohol 91%- USP Grade

USP Grade · 91%

Alliance Code
isopropyl-alcohol-91
確認日
2026-06-30
Revision
1.8
CAS番号
67-63-0
UN番号
UN1219
危険有害性クラス・容器等級
3 · PG II
構造
2D chemical structure of Isopropyl Alcohol 91%- USP Grade
構造・PubChem
グレード
USP Grade · 91%
注意喚起語
Danger
危険有害性
引火性刺激性 / 有害性H225 H319 H336
正式輸送品名
Isopropanol or isopropyl alcohol
Last reviewed 2026-06-30 by Andre Taki, Chief Commercial Officer.

Identity & Composition

製品名
Isopropyl Alcohol 91%- USP Grade
Alliance Code
isopropyl-alcohol-91
グレード
USP Grade
濃度
91%
CAS番号
67-63-0PubChem
化学式
C3H8OPubChem
分子量
—PubChem
製品種別
Solution

Specifications

TestSpecificationTypicalMethodSource
Assay (isopropyl alcohol, by volume)NLT 91.0 % and NMT 93.0 %, by volume91.3 %Specific Gravity <841>Interpreted
Each other individual known impurity (ethyl ether, acetone, diisopropyl ether, 1-propanol, 2-butanol)NMT 0.1 % (v/v)0.00039 %Gas chromatographyInterpreted
Aciditynot more than 0.70 mL of 0.020 N sodium hydroxide0.13Titration with 0.020 N sodium hydroxide to phenolphthalein endpoint, 50 mL sampleInterpreted
MethanolNMT 0.02 % (v/v)0.00017 %Gas chromatographyInterpreted
Total organic impuritiesNMT 1.0 % (v/v)0.010 % (v/v)Gas chromatographyInterpreted
Limit of nonvolatile residuedoes not exceed 2.5 mg (0.005%)Passes testEvaporate 50 mL on a steam bath to dryness, heat at 105° for 1 hourInterpreted
Identification (A: Infrared Absorption; B: GC retention time)Meets requirementsPasses testUSP <197A> / GC-FID retention time vs. USP Reference StandardInterpreted
Limit of volatile impurities (diethyl ether, diisopropyl ether, n-propyl alcohol, 2-butanol)NMT 0.09 % each; total NMT 0.9 %Passes testGC-FID per USP Isopropyl Alcohol monographInterpreted
Titrable Base0.000089 meq/g max0.000024 meq/g—Interpreted
Carbonyl compounds (as acetone)0.0018 % max0.00025 %—Interpreted
Color (APHA)<= 102—Interpreted
Composition91 % isopropyl alcohol / 9 % deionized water, by volumeConformsBy 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.

物理的及び化学的性質

Property値Source
外観Clear, colorless liquidAdjudicated
形状LiquidAdjudicated
臭いAlcohol-like odorAdjudicated
比重0.80–0.83 at 20 °C (water = 1)Adjudicated
密度0.818 g/mL at 20 °C (91% v/v IPA)Adjudicated
沸点About 80–82 °C (176–180 °F)Adjudicated
融点Approx. -57 °C (-70 °F), freezing point of a 90% v/v isopropyl alcohol–water solution (published table)Adjudicated
引火点14–18 °C (57–64 °F), closed cupAdjudicated
蒸気圧About 33 mmHg (44 hPa) at 20 °CAdjudicated
蒸気密度2.1 (air = 1)Adjudicated
Solubility (water)Completely miscible with waterAdjudicated

Polar solvent — purity vs. intended end-use (electronics, pharma, general industrial) is the dominant grade consideration. See application guidance for grade selection.

Materials of ConstructionService envelope ≈ 91%

MaterialRatingMax T (°C)NotesSource
Buna-N (NBR)
elastomer
Fair60Acceptable for alcohols; poor for ketones.Parker O-ring Chemical Compatibility
EPDM
elastomer
Fair—Good for alcohols, poor for estersCole-Parmer Chemical Compatibility
Viton (FKM)
elastomer
Fair80Swells in acetone and esters; avoid for those.Parker O-ring Chemical Compatibility
FFKM (Kalrez)
fluoropolymer
Excellent200Premium ester / ketone sealingCole-Parmer Chemical Compatibility
PTFE
fluoropolymer
Excellent200Universal solvent compatibility.Cole-Parmer Chemical Compatibility
Borosilicate Glass
glass ceramic
Excellent100Universally inert.Cole-Parmer Chemical Compatibility
316L Stainless Steel
metal
Excellent80Inert; preferred for high-purity solvent service.Cole-Parmer Chemical Compatibility
Aluminium
metal
Good40Acceptable; avoid prolonged wet contactCole-Parmer Chemical Compatibility
Carbon Steel
metal
Fair50Trace moisture causes rust; flash-rust prevention required.Cole-Parmer Chemical Compatibility
HDPE
thermoplastic
Fair40Swells with many polar solvents; verify per solvent.Cole-Parmer Chemical Compatibility
PP
thermoplastic
Good50Acceptable but watch swelling with estersCole-Parmer Chemical Compatibility
PVC
thermoplastic
Fair25Esters soften PVC; avoid for estersCole-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 12 of 12 material ratings within the selected envelope.

MaterialRatingMax T (°C)Notes
Buna-N (NBR)
elastomer
Fair60Acceptable for alcohols; poor for ketones.
EPDM
elastomer
Fair—Good for alcohols, poor for esters
Viton (FKM)
elastomer
Fair80Swells in acetone and esters; avoid for those.
FFKM (Kalrez)
fluoropolymer
Excellent200Premium ester / ketone sealing
PTFE
fluoropolymer
Excellent200Universal solvent compatibility.
Borosilicate Glass
glass ceramic
Excellent100Universally inert.
316L Stainless Steel
metal
Excellent80Inert; preferred for high-purity solvent service.
Aluminium
metal
Good40Acceptable; avoid prolonged wet contact
Carbon Steel
metal
Fair50Trace moisture causes rust; flash-rust prevention required.
HDPE
thermoplastic
Fair40Swells with many polar solvents; verify per solvent.
PP
thermoplastic
Good50Acceptable but watch swelling with esters
PVC
thermoplastic
Fair25Esters soften PVC; avoid for esters

Regulatory & Transport

DOT / 49 CFR

国連番号
UN121949 CFR 172.101
危険有害性クラス
3Adjudicated
容器等級
IIAdjudicated
正式輸送品名
Isopropanol or isopropyl alcoholAdjudicated

GHS / OSHA HCS 2024

注意喚起語
DangerAdjudicated
H-Codes (Hazard Statements)
H225, H319, H336ECHA C&L Inventory
P-Codes (Precautionary Statements)
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501ECHA C&L Inventory

許容濃度

OSHA PEL (29 CFR 1910.1000)
400 ppm TWAOSHA 29 CFR 1910.1000
ACGIH TLV
200 ppm TWA / 400 ppm STELAdjudicated
NIOSH REL
400 ppm TWA / 500 ppm STELNIOSH Pocket Guide
NIOSH IDLH
2000 ppmNIOSH 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)
4,700–5,840 mg/kg (isopropyl alcohol)Adjudicated
LD₅₀ Dermal (rabbit)
12,800–16,400 mg/kg (isopropyl alcohol)Adjudicated
LC₅₀ Inhalation (rat, 4 h)
72.6 mg/L (isopropyl alcohol vapor)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 Isopropyl Alcohol 91%- USP 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
190764ACS Reagent99.5%Unverified candidateACS Reagent ≥99.5%

ThermoFisher

SKUグレードConc.MatchNotes
A416-4ACS99.5%Unverified candidateOptima LC/MS grade equivalent

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

Applications

電子・光学機器および設備の洗浄;脱脂および表面処理;溶剤およびワイプの配合。Adjudicated

使用上の制限: 外用および表面使用のみ。飲まないこと。引火性が高い:熱、火花および裸火から遠ざけること。

Storage & Handling

Recommended Storage
熱、火花、裸火および直射日光を避け、涼しく乾燥した換気の良い可燃物保管場所で、容器を密閉して保管すること。保管場所内は禁煙とすること。開封した容器は注意深く再密閉し、直立させて保管すること。接地された防爆型の電気機器を使用すること。49 °C(120 °F)を超える温度で、アルミニウム製の機器内で保管または取り扱いをしないこと。Adjudicated
Handling Precautions
Use chemical-resistant gloves and splash goggles. Bond and ground during transfer to prevent static accumulation. Eliminate ignition sources within vapor envelope.Class-level guidance — not product-specific; the SDS controls.
Incompatibilities
強酸化剤(過酸化物、硝酸、過塩素酸塩、次亜塩素酸塩)、強酸、酸無水物、ハロゲン、およびアルカリ金属(水素を発生する)。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)

UN1219, Isopropanol or isopropyl alcohol, 3, PG II

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

NMFC Class
70
Placard
Flammable Liquid
容器等級
PG II

Revision History

Last reviewed 2026-06-30 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

VersionDateChangeTrigger
1.82026-10-14Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • recommended_use· canonical change (coa.data_provenance / adjudication)
  • meltingPoint· canonical change (coa.data_provenance / adjudication)
canonical_change
1.72026-10-13Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
  • storage_precautions· canonical change (coa.data_provenance / adjudication)
canonical_change
1.62026-10-08Canonical data updated: 19 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)
  • flashPoint· canonical change (coa.data_provenance / adjudication)
  • boilingPoint· canonical change (coa.data_provenance / adjudication)
  • vaporPressure· canonical change (coa.data_provenance / adjudication)
  • vaporDensity· canonical change (coa.data_provenance / adjudication)
  • specificGravity· canonical change (coa.data_provenance / adjudication)
  • solubility· canonical change (coa.data_provenance / adjudication)
  • meltingPoint· canonical change (coa.data_provenance / adjudication)
  • explosiveLimits· canonical change (coa.data_provenance / adjudication)
  • autoIgnitionTemperature· 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)
  • rcra_waste_codes· canonical change (coa.data_provenance / adjudication)
  • dot_transport_note· canonical change (coa.data_provenance / adjudication)
canonical_change
1.52026-10-05Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
  • oel_niosh_rel· canonical change (coa.data_provenance / adjudication)
  • oel_idlh· canonical change (coa.data_provenance / adjudication)
  • oel_osha_pel· canonical change (coa.data_provenance / adjudication)
canonical_change
1.42026-10-03Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
  • appearance· canonical change (coa.data_provenance / adjudication)
  • flashPoint· canonical change (coa.data_provenance / adjudication)
canonical_change
1.32026-08-05Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
  • unNumber· 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
1.12026-06-30Canonical data re-verified: 4 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)
  • 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.

Isopropyl Alcohol 91%- USP Grade — Technical Data Sheet | Alliance Chemical