Industrial chemicals · Taylor, TXTechnical Data Sheet
Methanol ACS Reagent Grade
ACS Reagent
- CAS番号
- 67-56-1
- UN番号
- UN1230
- 危険有害性クラス・容器等級
- 3 · PG II
- 構造
構造・PubChem - グレード
- ACS Reagent
- 注意喚起語
- Danger
- 危険有害性
- 正式輸送品名
- Methanol
Identity & Composition
- 製品名
- Methanol ACS Reagent Grade
- Alliance Code
- methanol-acs-reagent-grade
- グレード
- ACS Reagent
- 濃度
- —
- CAS番号
- 67-56-1PubChem
- 化学式
- —PubChem
- 分子量
- —PubChem
- 製品種別
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay | min. 99.8% | 99.91 % | GC, corrected for water | Interpreted |
| Titrable Acid | max 0.0003 meq/g | 0.000071 meq/g | — | Interpreted |
| Titrable Base | max 0.0002 meq/g | 0.000022 meq/g | — | Interpreted |
| Carbonyl compounds (acetone, formaldehyde, acetaldehyde, each) | ≤ 0.001 % | 0.00022 % | — | Interpreted |
| Color (APHA) | max 10 | 6 | — | Interpreted |
| Substances reducing permanganate | Pass Test | Passes test | — | Interpreted |
| Residue After Evaporation | max. 0.001% | 0.00025 % | — | Interpreted |
| Solubility in Water | To Pass | Passes test | — | Interpreted |
| Substances darkened by sulfuric acid | Pass Test | Passes test | — | Interpreted |
| Ultraviolet Absorption at 205nm | 1.0 max. | 0.69 | — | Interpreted |
| Ultraviolet Absorption at 210nm | 0.80 max. | 0.35 | — | Interpreted |
| Ultraviolet Absorption at 220nm | 0.40 max. | 0.12 | — | Interpreted |
| Ultraviolet Absorption at 230nm | 0.20 max. | 0.040 | — | Interpreted |
| Ultraviolet Absorption at 240nm | 0.10 max. | 0.017 | — | Interpreted |
| Ultraviolet Absorption at 260nm | 0.04 max. | 0.006 | — | Interpreted |
| Ultraviolet Absorption at 280nm – 400nm | 0.01 max. | 0.003 | — | Interpreted |
| Water | max 0.10% | 0.036 % | — | 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
| グレード | 濃度 | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade ACS Reagent | — | — | current | current |
| Technical Grade | — | — | methanol-technical-grade | 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.
物理的及び化学的性質
| Property | 値 | Source |
|---|---|---|
| 外観 | Volatile clear liquid, transparent | Adjudicated |
| 形状 | Liquid | Published reference |
| 臭い | Mild alcohol odor (gives no reliable warning of overexposure) | Adjudicated |
| 比重 | 0.791–0.793 at 20 °C (water = 1) | Adjudicated |
| 密度 | 0.792 at 68 °F (USCG, 1999) - Less dense than water; will float | Published reference |
| 沸点 | 64.7 °C (148.5 °F) at 760 mmHg | Adjudicated |
| 融点 | -98 °C (-144 °F) | Adjudicated |
| 引火点 | 10–11 °C (50–52 °F), closed cup | Adjudicated |
| 蒸気圧 | 128 hPa (96 mmHg) at 20 °C | Adjudicated |
| 蒸気密度 | 1.1 (air = 1) | Adjudicated |
| Solubility (water) | Completely miscible with water | Adjudicated |
Polar solvent — purity vs. intended end-use (electronics, pharma, general industrial) is the dominant grade consideration. See application guidance for grade selection.
Materials of Construction
| Material | Rating | Conditions | Source |
|---|---|---|---|
| HDPE | Compatible | Methanol ACS/HPLC grade, assay min. 99.8% (typical 99.99%), supplied in 20 liter HDPE packaging; source states no upper temperature or exposure-time bound | nwsci.com |
Compatibility is drawn from published manufacturer and supplier documentation for this product; each rating is sourced. Confirm against your specific duty cycle before equipment selection.
Regulatory & Transport
DOT / 49 CFR
- 国連番号
- UN123049 CFR 172.101
- 危険有害性クラス
- 3Adjudicated
- 容器等級
- IIAdjudicated
- 正式輸送品名
- MethanolAdjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H225, H301, H311, H331, H370Adjudicated
- P-Codes (Precautionary Statements)
- P210, P233, P240, P241, P242, P243, P260, P264, P270, P271, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P307+P311, P308+P311, P311, P312, P321, P330, P361, P370+P378, P403+P233, P403+P235, P405, P501Adjudicated
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- 200 ppm TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- 200 ppm TWA / 250 ppm STEL (skin notation)Adjudicated
- NIOSH REL
- 200 ppm TWA / 250 ppm STELNIOSH Pocket Guide
- NIOSH IDLH
- 6000 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)
- 1,187–6,200 mg/kg (rat). Humans are far more sensitive: classification ATE 100 mg/kg (H301).Adjudicated
- LD₅₀ Dermal (rabbit)
- 15,840–17,100 mg/kg (rabbit); classification ATE 300 mg/kg (H311)Adjudicated
- LC₅₀ Inhalation (rat, 4 h)
- 64,000 ppm (rat); classification ATE 3 mg/L vapor (H331)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 Methanol ACS Reagent 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
Honeywell
| SKU | グレード | Conc. | Match | Notes |
|---|---|---|---|---|
| 34860 | HPLC | ≥99.9% | Unverified candidate | Honeywell Burdick & Jackson HPLC grade — tighter residue than ACS. |
Sigma-Aldrich
| SKU | グレード | Conc. | Match | Notes |
|---|---|---|---|---|
| 179337 | ACS Reagent | 99.9% | Unverified candidate | ACS Reagent ≥99.9% |
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications
実験室用および分析用溶剤（ACS試薬）：抽出、クロマトグラフィーおよび試料調製。Adjudicated
使用上の制限: 毒性：少量であっても飲み込むと永久的な失明または死亡に至るおそれがあり、また、methanolは皮膚および吸入によっても吸収される。ethanolの代替品として、または飲用される可能性のあるものには絶対に使用しないこと。産業用、業務用、および試験研究用。
Storage & Handling
- Recommended Storage
- 容器を密閉し、熱、火花、裸火および直射日光から離れた、冷涼で乾燥した換気の良い可燃物保管場所に保管すること。施錠して保管すること。移送時には容器を接地およびボンド接続すること。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
- 強酸化剤および過酸化物；強酸、酸無水物および酸塩化物；強塩基；アルカリ金属；アルミニウム、亜鉛および鉛（特に乾燥メタノールにより腐食される）。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)
UN1230, Methanol, 3, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.8 | 2026-10-13 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.7 | 2026-10-08 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-10-07 | Canonical data updated: 19 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-10-05 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-09-30 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-08-05 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-18 | Canonical 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).
| 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.