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Oxalic Acid dihydrate 99.6%

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Oxalic Acid dihydrate 99.6% feedback feedback feedback feedback feedback

Oxalic Acid dihydrate 99.6%

Price: £3.45

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Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 11th October 2023*
In bulk stock - ships within 4 - 8 Days (Excluding weekends and public holidays)
4 - 6 Weeks Approx.
* We will always try to ship as early as possible
  • Tanning Leather
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  • Deck Cleaner
  • Hull Cleaner
  • Stain Remover

Oxalic acid is an organic compound with the formula C2H2O4. It is a colorless crystalline solid that forms a colorless solution in water. Its condensed formula is HOOCCOOH, reflecting its classification as the simplest dicarboxylic acid.

Its acid strength is much greater than that of acetic acid. Oxalic acid is a reducing agent and its conjugate base, known as oxalate (C2O2−4), is a chelating agent for metal cations. Typically, oxalic acid occurs as the dihydrate with the formula C2H2O4·2H2O.

It occurs naturally in many foods, but excessive ingestion of oxalic acid or prolonged skin contact can be dangerous.

Its name comes from the fact that early investigators isolated oxalic acid from wood-sorrel (Oxalis).

Minimum Assay 99.6%
Molecular Formula: C2H2O4.2H2O
Molecular Weight: 126.07 g/mol
Melting Point: 101 °C
Boiling Point: 149-160 °C
Sulphates: <2000ppm
Iron (Fe): <5ppm
Ash: <0.1%
Lead (Pb): <3ppm

Hazard Phrases: Causes serious eye damage.

Prec Phrases: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

corrosive CLP Image Harmful CLP Image

Cas No: 6153-56-6
Einecs No: 205-634-3
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6th September 2019
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6th August 2019
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2nd August 2019
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“Good product, quick delivery.”
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19th July 2019
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“Excellent service”
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10th July 2019
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“no complaints .. very swift despatch”
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26th June 2019
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“Seller replied within an hour or two of contact and was extremely helpful. Product as described.”
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26th June 2019
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“Item delivered when advised and product as described.”
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5th June 2019
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“Prompt and as described - good value.”
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24th May 2019
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“Excellent service.”
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8th May 2019
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“very pleased”
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2nd May 2019
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“spot on service deliver and technical support just wish every supplier was so good”
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28th April 2019
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“Needed to make photographic light sensitive emulsion”
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27th April 2019
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“exactly as described,,thanks”
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25th April 2019
Review:
“The item came two days late, but this looked to be the fault of The Post Office not the seller as the outer cardboard box was damaged and the Post Office had put it in a bag with an apology note on it. The seller had sent it Post Office 48. Fortunately the inner tub was intact with no damage to it. It least it eventually turned up, so I am happy.”
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Date:
14th April 2019
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“In perfect condition!”
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9th April 2019
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“Perfect”
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7th April 2019
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“Very good service”
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6th April 2019
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“A prompt, courteous and absolutely relevant service indeed, and over a weekend too! Thank you.”
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28th March 2019
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“Problem resolved very quickly highly recommended.”
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25th March 2019
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“Good service - many thanks Gerry”
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23rd March 2019
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“Excellent”
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17th March 2019
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“Received but not used yet.”
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11th March 2019
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“All good”
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18th February 2019
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“Just what I needed to remove water marks from the kitchen worktop. Thank you”
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17th January 2019
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“Arrived a day earlier than estimate. Haven't tried product yet - bought it to remove black water marks off wooden draining board.”
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15th January 2019
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“Product arrived on date as promised and was per description”
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24th December 2018
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“Delivered as expected.”
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13th December 2018
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“Great service !!”
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19th November 2018
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“Used to get stains out of Oak, Fantastic !!”
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15th November 2018
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“Excellent, thank you”
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7th November 2018
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“The item arrived quickly and was well packaged. Thank you.”
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16th September 2018
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“excellent”
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14th September 2018
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“I recommend this product an seller.”
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9th September 2018
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“Recommended”
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9th September 2018
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“Fine,no problems....”
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27th August 2018
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“It did the job, very pleased with the result.”
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24th August 2018
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“Arrived on time. Excellent.”
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5th August 2018
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“Brilliant”
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Date:
3rd August 2018
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“ontime exactly as described”
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Date:
27th July 2018
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“Worked really well on removing rust stain from bricks thanks”
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4th July 2018
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“good”
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19th June 2018
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“Exactly as described.”
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16th June 2018
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“Good service. Thank you”
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14th June 2018
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“Very speedy service,well pleased would certainly use again.”
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12th June 2018
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“First class service with speedy delivery. Very hard to fault.”

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    30th September 2020
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    27th September 2020
    “Item exactly as described and of high purity. Well packed for delivery as well.”
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    26th September 2020
    “Very helpful and courteous emails from seller, as I had misunderstood details of purchase. A refund was very promptly sent. Thank you very much for your understanding.”
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    Date:
    25th September 2020
    “Prompt delivery no problems would recommend”
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    23rd September 2020
    “n/a”
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    Date:
    21st September 2020
    “Thank you for your prompt response to my message. I am delighted to report that the second half of my order arrived safely today. The mistake was speedily and satisfactorily rectified. Thank you again.”
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    21st September 2020
    “Very speedy delivery. Perfect.”
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    21st September 2020
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    20th September 2020
    “Excellent service. Thank you.”
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    19th September 2020
    “Order and delivery worked well. Thank you.”
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    Date:
    18th September 2020
    “Use it to remove stains from my teeth...smoker,works brilliant”
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    18th September 2020
    “Good seller excellent product”
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    Date:
    17th September 2020
    “Arrived nice and quick. Such a useful product, wouldn't be without it.”
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    Date:
    12th September 2020
    “Came quickly.”
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    Date:
    12th September 2020
    “Does the job.”
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    9th September 2020
    “Item as described, prompt delivery.”
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    6th September 2020
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    6th September 2020
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    30th August 2020
    “Great delivery time”
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    28th August 2020
    “needs a few washes to whiten dog coat”
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    26th August 2020
    “Hand delivered . Just right for a serious oxidant.”
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    25th August 2020
    “Very efficient service”
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    Date:
    25th August 2020
    “Good service, have bought many times. Will use again.”
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    22nd August 2020
    “No problems prompt efficient service ”
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    “Arrived by apc carrier. Item as described and recieved follow up email for tracking details”
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    21st August 2020
    “Package arrived within two days in good order - Contents as described”
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    21st August 2020
    “Quick delivery - no problems”
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    Date:
    18th August 2020
    “Good stuff! Could be possible for you to use an hard trasparent plastic container?”
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    18th August 2020
    “I have been using surgical spirit for years but recently it's very hard to get hold of. Luckily Amazon sell this so ordered some just to keep back. It can be used for a number of things so handy to have a bottle in. It's only a small bottle but you don't need much.”
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    16th August 2020
    “Excellent”
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    16th August 2020
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    13th August 2020
    “Prompt and proper delivery of package. Satisfied.”
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    13th August 2020
    “Delivered promptly, well packaged and exactly as described. Both packages weighed more than the amount shown on their label.”
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    13th August 2020
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    12th August 2020
    “As described”
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    9th August 2020
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