Cleaning Solution - Cleaning Solution, Chromic-Sulfuric Acid Solution for Cleaning Laboratory Glassware , CAS No.C291725

CAS: C291725 Cat. No.: C291725

GRADE & PURITY Cleaning Solution, Chromic-Sulfuric Acid Solution for Cleaning Laboratory Glassware

Storage

Room temperature

Shipped In

Normal

Specifications

Specifications & Purity

Cleaning Solution, Chromic-Sulfuric Acid Solution for Cleaning Laboratory Glassware

Storage

Room temperature

Shipped In

Normal

Application Protocols

• Item-specific tested applications: Not specified for this item; refer to CoA/Spec Sheet.

• General laboratory cleaning protocol (general guidance; adapt per SDS and substrate)

  1. Pre-rinse labware or surfaces with water to remove gross soils.
  2. Apply the cleaning solution (ready-to-use or diluted per manufacturer instructions—see CoA/SDS). Ensure complete wetting of surfaces; use brushes or ultrasonics for complex geometries.
  3. Allow appropriate contact time (commonly 2–20 minutes depending on soil load and temperature).
  4. Rinse thoroughly with tap water, followed by multiple DI water rinses. For trace analysis work, finish with a high-purity DI rinse and verify with a rinse blank.
  5. Dry via clean air/nitrogen or oven as compatible with the substrate.

• Compatibility checkpoints

  • Test on inconspicuous area for metals (Al, Cu, Zn), optics, and plastics (PC, PMMA) before full use.
  • Do not mix with oxidizers/bleach unless explicitly allowed by the SDS.

Biological Roles

Not applicable. This product is a formulated laboratory cleaning solution without a defined biological role or metabolic function. For work involving biomolecules, see the Safety & Handling section for general compatibility and the Reaction & Applications section for cleaning guidance relevant to biological residues.

Buffer Applications

Not typically applicable. Cleaning solutions are not used as biochemical buffers. If the cleaning step precedes buffered assays or cell culture, ensure thorough DI water rinsing to prevent buffer capacity disruption and assay interference. Select a cleaner with low residue for sensitive downstream applications.

Green Alternatives

Because this item is a cleaning solution rather than a reaction solvent, “green alternatives” refers to environmentally preferable cleaning strategies (general guidance; not item-specific):

• Strategy overview

  • Prefer aqueous, biodegradable surfactant systems with low VOC content over solvent-based cleaners.
  • Use mechanical action (ultrasonics), temperature, and optimized contact time to reduce chemical load.
  • Implement closed-loop or minimal-rinse processes to conserve water where appropriate.

• Comparison snapshot (general)

  • Water-only + mechanical action: Lowest chemical footprint; may be insufficient for heavy organic soils.
  • Neutral, biodegradable surfactant cleaner: Balanced performance and materials compatibility; typically easy to rinse.
  • Strong alkaline/acidic builders: High efficacy for tough soils/scale; increased EHS burden, corrosion risk, and rinse demand.
  • Solvent-only degreasers (IPA/acetone/heptane): Fast drying; higher VOCs/flammability; waste segregation required.

• Practical tips

  • Validate cleaning efficacy with swab/rinse tests, TOC, or gravimetric residue to right-size chemical concentration.
  • Where permitted, choose phosphate-free formulations to reduce eutrophication concerns.
  • Segregate spent cleaner solutions from halogenated/solvent waste to enable appropriate treatment.

Pharmaceutical Uses

• This product is for research use only and is not intended for human or animal use in drug products.
• Contextual information (general)
  • In GMP/GLP environments, cleaning agents are subject to validation for removal efficacy and residue limits (e.g., MACO/NOEL-based limits). While this item has no pharmacopeial monograph or excipient status provided, similar products are qualified via cleaning validation protocols, surface recovery factors, and analytical residue testing (TOC, HPLC, conductivity).
  • Documentation should include lot traceability, SDS/CoA, and defined hold times/rinse procedures. For this specific item, consult the supplier’s CoA/Spec Sheet for any claims relevant to controlled environments.

Physical Properties

• Item-specific values (as specifications)

  • Appearance: Not specified for this item; refer to CoA/Spec Sheet.
  • Density: Not specified for this item; refer to CoA/Spec Sheet.
  • pH (as supplied): Not specified for this item; refer to CoA/Spec Sheet.
  • Boiling/Melting point, refractive index, conductivity: Not specified for this item; refer to CoA/Spec Sheet.
  • Solubility: Not specified for this item; refer to CoA/Spec Sheet.

• General expectations for lab cleaning formulations (literature/general)

  • Matrix: Frequently aqueous, clear to slightly hazy; surfactant-containing solutions are typically completely water-miscible.
  • pH: Products may span acidic (scale/rust removal), neutral (materials-safe), or alkaline (organic soil removal) ranges; pH strongly dictates material compatibility and residue behavior.
  • Volatility: Predominantly water-based systems exhibit low volatility; solvent-boosted cleaners may have modest flammability and faster evaporation.
  • Rinsability: Effective cleaners are designed for complete rinsing in deionized water; high builder content may leave residues if not thoroughly rinsed.

• Practical notes (general)

  • If critical-analytical work follows (trace metal/LC-MS), verify low-residue/low-UV backgrounds from the CoA and test-rinse blanks under method conditions.
  • For instrument surfaces and optics, check compatibility with aluminum, copper alloys, plated parts, acrylics, polycarbonate, and elastomers prior to broad deployment.

Quality and Grades

• Item-specific grade/purity

  • Grade/Purity: Not specified for this item; refer to CoA/Spec Sheet.

• How to interpret grades for cleaning solutions (general guidance)

  • Laboratory cleaners may be designated as “concentrate,” “ready-to-use,” “neutral pH,” “alkaline,” “acidic,” or “low-residue/analytical.” Such descriptors indicate intended soil load, materials compatibility, and rinsability.
  • Low-residue or analytical grades are formulated to minimize nonvolatile residue (NVR), surfactant carryover, and trace metal background—important for LC/GC/ICP prep areas.
  • Enzymatic cleaners include proteases/lipases for biological soils; these require specific storage and handling and are typically not suitable for analytical glassware destined for trace organic analysis.
  • If UV transparency or LC-MS background is critical, request a certificate confirming low UV absorbance and absence of common interferences under your method conditions.

• Stabilizers/Preservatives

  • Some aqueous formulations include biocides to control microbial growth; their presence can influence waste classification and analytical background. This item’s preservative status is not specified—consult the SDS/CoA.

• Documentation

  • For audit trails (GLP/GMP-adjacent labs), retain the lot-specific CoA/SDS and conduct incoming QC (pH, conductivity, residue-on-evaporation) as appropriate to your methods.

Reaction and Applications

• Item-specific intended use

  • Manufacturer Applications: Not specified for this item; refer to CoA/Spec Sheet.
  • This product is a laboratory cleaning solution intended for cleaning glassware, instruments, and work surfaces. It is not intended as a reagent or solvent in chemical reactions.

• Practical laboratory applications (general guidance)

  • Glassware decontamination: Removal of organic residues (with surfactant/alkaline systems) and inorganic films/scale (with acidic systems). Follow with copious DI water rinses and, if needed, final solvent rinses (acetone/IPA) compatible with downstream analysis.
  • Instrument maintenance: Cleaning of housings, benchtops, and splash zones. For internal instrument parts, consult the instrument manufacturer; many devices require approved cleaners only.
  • Biological soil removal: If enzymatic or surfactant-containing, can assist in removal of proteins/lipids from non-critical labware; verify enzyme presence in SDS if sterilization or heat exposure is planned.
  • Trace analysis prep: For ICP, LC-MS, GC-MS workflows, verify low residue and absence of interfering species; incorporate a blank-rinse control into your SOP.

• Limitations

  • Do not use as a reaction medium or additive.
  • Avoid mixing with bleach or oxidizers unless specifically directed by the manufacturer (risk of hazardous gases).

Reaction Conditions

Not applicable. This product is not designed for use in chemical reactions. If incorporated into lab workflows, it should be confined to pre- or post-experimental cleaning steps with subsequent thorough rinsing using deionized water to remove any residues prior to analytical or synthetic work.

Safety and Handling

• Item-specific hazard classification

  • Signal Word: Not specified for this item; refer to SDS.
  • GHS Hazard/Precautionary Statements: Not specified for this item; refer to SDS.
  • GHS Pictograms: Not specified for this item; refer to SDS.

• General safety guidance for cleaning solutions (general knowledge; consult SDS for this product)

  • PPE: Wear safety glasses or face shield, lab coat, and appropriate chemical-resistant gloves. For decanting/spraying or if aerosols/mists may form, use local exhaust; respiratory protection as indicated by SDS.
  • Incompatibilities: Avoid mixing with acids/bases outside intended use, oxidizers, hypochlorite/bleach (risk of gas formation with amines/acids), and reactive metals if strongly acidic/alkaline. Do not mix different cleaners unless specifically directed by the manufacturer.
  • First aid (general): Skin/eye contact—immediately flush with water for ≥15 min; remove contaminated clothing. Inhalation—move to fresh air. Ingestion—rinse mouth; do not induce vomiting; seek medical advice. Always follow the SDS.
  • Spill response: Contain with inert absorbent, collect for disposal. Rinse residues to drain only if permitted and in accordance with local regulation and SDS guidance.
  • Special risks: Concentrated alkaline or acidic cleaners can cause irritation or burns; solvent-boosted cleaners may be flammable—eliminate ignition sources if applicable.

• Regulatory/handling

  • For research use only. Not for human or animal consumption or clinical use.

Solvent Selection

This product is a formulated cleaning solution rather than a solvent for synthetic reactions. Solvent selection, in the chromatographic or synthetic sense, is therefore not typically applicable. However, for cleaning/process selection the following considerations apply (general guidance):

• Polarity and matrix

  • Most lab cleaners are water-based with surfactants; water serves as the primary solvent carrier. Where hydrophobic soils dominate (grease, oils), inclusion of nonionic surfactants or co-solvents enhances wetting and micelle solubilization.

• Miscibility and rinsing

  • Water-based formulations are fully miscible with rinse water, enabling residue removal. Ensure final DI water rinses are used where ionic residues could impact analytical work.

• Substrate compatibility

  • Metals: Avoid prolonged contact of acidic cleaners with aluminum, zinc, and copper alloys; alkaline cleaners may affect soft metals and oxide layers.
  • Plastics/elastomers: Check for stress-cracking in polycarbonate, acrylic, and certain elastomers if solvents or high alkalinity are present.

• Choosing among alternatives (general)

  • Neutral pH cleaners: best for mixed materials and minimal risk of corrosion.
  • Alkaline cleaners: superior for organic/greasy soils; may require thorough rinsing.
  • Acidic cleaners: effective on scale/oxide; use with corrosion caution and immediate rinse.

Storage and Reconstitution

• Item-specific storage and shipping

  • Storage Conditions: Room temperature (as provided in Product Data).
  • Shipped In: Normal (as provided in Product Data).

• Stability and handling (item-specific where provided; otherwise general)

  • Shelf life, preservative content, and freeze-thaw tolerance: Not specified for this item; refer to CoA/Spec Sheet and SDS.
  • Protect from extreme temperatures and direct sunlight. Keep container tightly closed to minimize contamination and evaporation.

• Reconstitution/dilution

  • Concentration status: Not specified for this item; refer to CoA/Spec Sheet. If labeled as a concentrate, prepare dilutions with deionized water using clean, residue-free vessels.
  • Rinse water quality: Use DI or higher purity where residues could impact downstream analyses.

• Before first use

  • Review the SDS for any special storage or mixing precautions.
  • For critical applications, perform a small-scale materials compatibility and residue test on representative substrates.

• Research Use Note

  • For research use only.

Structure and Identity

• Item-specific identifiers

  • Product Name: Cleaning Solution (SKU: C291725)
  • CAS: Not specified for this item; refer to CoA/Spec Sheet. (catalog CAS shown as “C291725” appears to be a SKU surrogate, not a regulated CAS registry number)
  • Molecular Formula: Not specified for this item; refer to CoA/Spec Sheet.
  • Molecular Weight: Not specified for this item; refer to CoA/Spec Sheet.
  • InChIKey: Not specified for this item; refer to CoA/Spec Sheet.
  • SMILES: Not specified for this item; refer to CoA/Spec Sheet.

• Structural features

  • This is a formulated cleaning reagent. As sold, it is not described as a single, discrete chemical entity; therefore, standard structural descriptors (2D formula, functional-group inventory, stereochemistry) are not applicable without a compositional disclosure.

• Practical description (general chemistry knowledge)

  • Laboratory cleaning solutions commonly comprise water and one or more of: anionic/nonionic surfactants, chelants (e.g., EDTA), builders/buffers (e.g., carbonates, phosphates, citrates), corrosion inhibitors, and optional solvents or enzymes. Exact composition and identity for this item are not provided; consult the SDS/CoA if component-level details are required for compliance or method validation.

Synthetic Utility

Not applicable as a chemical reagent. This cleaning solution is not intended to participate in or serve as a medium for synthetic transformations. For guidance on choosing reaction solvents or reagents, refer to solvent/reagent-specific products and literature.

Target Specificity

Not applicable. This is not a biological targeting reagent (e.g., antibody, ligand, inhibitor). No antigen/epitope or species reactivity is relevant.

Frequently Asked Questions

What are the CAS number, molecular formula and molecular weight?

The CAS Number is C291725.

How should this product be stored?

Store at room temperature.

How is this product shipped?

This product ships under standard ambient conditions. No temperature-controlled packaging is required.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.