Bis(ethylcyclopentadienyl)chromium - ≥99.9% metals basis , CAS No.55940-03-9

CAS: 55940-03-9 Cat. No.: B282388 Molecular Weight: 238.29 EC Number: 622-941-1
AVAILABLE TO ORDER
GRADE & PURITY ≥99.9% metals basis
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
B282388-250mg
3

$228.90

$266.90
Save $38.00 (14.24%)
1g
B282388-1g
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$742.90

$866.90
Save $124.00 (14.30%)
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Why this grade

≥99.9% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
≥99.9% metals basis
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥99.9% metals basis
Names and Identifiers
Molecular Weight 238.29

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
F2301693Certificate of AnalysisMar 16, 2026 B282388
C2323403Certificate of AnalysisJan 26, 2026 B282388
C2323345Certificate of AnalysisJan 26, 2026 B282388
C2323203Certificate of AnalysisJan 26, 2026 B282388
C2323198Certificate of AnalysisJan 26, 2026 B282388
C2504105Certificate of AnalysisMar 08, 2023 B282388
Chemical and Physical Properties
Sensitivityair sensitive
Boil Point(°C)95-98°C/1.0mm
Solution Calculators
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